Joint Admission and Matriculation Board
JAMB
BIOLOGY
Past Questions
Years:
 2010
2011
2012
 2013
2014
2015
 2016
2017
2018
NOT FOR SALE
All JAMB past questions are FREE OF CHARGE for
Toppers. If someone sold this past question to you,
please report him/her to us.
2010 JAMB BIOLOGY QUESTIONS
PAPER TYPE: C
B.
it
translates
genetic
information for the manufacture
1. Which Biology Question Paper
of proteins
Type is given to you?
C. it stores and carries hereditary
information
A. Type A
D. it is reservoir of energy for the
B. Type B
cell
C. Type C
D. Type D
4. The dominant phase in the life
cycle of a fern is the?
2.
Which
of
the
following
characterizes a mature plant cell?
A. gametophyte
B. prothallus
A. the cytoplasm fills up the entire
C. sporophyte
cell space
D. antheridium
B. the nucleus is pushed to the
centre of the cell
5. Parental care is exhibited by
C. the cell wall is made up of
cellulose
D.
the
A. toads
nucleus
is
small
and
irregular in shape
B. snails
C. earthworms
D. birds
3. Which of the following is NOT a
function of the nucleus of a cell?
Use
the
diagram
above
to
answer this question 6 and 7
A. it controls the life processes of
the cell
www.toppers.com.ng
A. algae
B. monera
C. fungi
D. viruses
Use
the
diagram
below
to
answer this question 9 and 10.
6.
With
respect
to
their
decreasing dependence on aquatic
conditions for reproduction, which
of the following is the correct
arrangement
of
the
animals
represented?
A. l,IV,II and lll
9.
The
main
function
of
the
B. IV, lll, ll and l
feathers covering the part labelled
C. l, ll, IV and lll
I is to
D. lll, ll, IV and l
A.
7.
Which
of
the
animals
prevent
ectoparasites
from
attacking the animal
represents the oldest creatures in
B. generate heat to keep the
terms of evolutionary history?
animal warm
C. provide some power for flight
A. III
D. serve as insulator to maintain
B. II
body heat
C. I
10. Based on
D. IV
the shape
and
structure of the beak and feet,
8. Which of the following groups
the bird represented is likely to
of cells is devoid of true nuclei
feed mainly on
www.toppers.com.ng
A. flesh
12. The movement of material in
B. fruits
the xylem and phloem tissues of
C. seeds
the plant are represented by the
D. nectar
arrows labelled
11. Which of the following is true
A. lll and IV respectively
of the transverse section of a
B. ll and l respectively
dicot system?
C. l and ll respectively
D. l and lll respectively
A. the epidermis is completely
encircled by the cortex
13. During photosynthesis, the
B. the xylem is more interiorly
arrow labelled ll represents the
located than the phloem
C. the cambium lies between the
A. escape of mineral salts
cortex and the vascular bundles
B. absorption of energy from the
D.
the
randomly
vascular
bundles
are
sun
within
the
C. release of carbon (IV) oxide
scattered
cortex
D. release of oxygen as a byproduct
Use
the
diagram
below
to
answer this question 12 and
14. Which of the following is
13
lacking in the diet of a person
with kwashiorkor?
A. vitamins
B. proteins
C. carbohydrates
www.toppers.com.ng
15. The mode of nutrition of sun
D. left ventricle
dew and bladder wort can be
described as
18. Circulation of blood to all
parts of the body except the lungs
A. autotrophic
is through
B. saprophytic
C. holozoic
A. the pulmonary artery
D. chemosynthetic
B. systemic circulation
C. the lymphatic system
16. When the mixture of a food
D. pulmonary circulation
substance and Benedict's solution
was
warmed,
the
solution
19. Yeast respires anaerobically to
changed from blue to black-red.
convert simple sugar to carbon
This indicates the presence of
(IV) oxide and
A. reducing sugar
A. alcohol
B. fatty acid
B. acid
C. sucrose
C. oxygen
D. amino acid
D. water
17.
The
primary
structure
20. The sheet of muscle that
responsible for pumping blood for
separates the thoracic and the
circulation
abdominal cavities is the
through
the
mammalian circulatory systems is
the
A. diaphragm
B. intercostal muscle
A. veins
C. pleural membrane
B. right auricle
D. pericardium
C. arteries
www.toppers.com.ng
21.
The
oily
substance
that
24.
In
the
male
reproductive
lubricates the mammalian hair to
system of a mammal, sperm is
keep
stored in the
it
flexible
and
water
repellent is secreted by the
A. van deferens
A. sweet glands
B. urethra
B. sebaceous glands
C. epididymis
C. fatty cells
D. seminiferous tubules
D. granular layer
25.
Chemosynthetic
22. The outer layer of the kidney
are
capable
where the Bowman's capsules are
their food from simple inorganic
found is the
substances through the process of
A. cortex
A. oxidation
B. pelvis
B. denitrification
C. medulla
C. reduction
D. pyramid
D. phosphorylation
23. Which of the following stimuli
26. The part of the human gut
is likely to elicit a nastic response
that has an acidic content is the
of
organisms
manufacturing
in an organism?
A. stomach
A. Touch
B. duodenum
B. Light intensity
C. ileum
C. Chemical substances
D. colon
D. Gravity
27. I. Stomata → Spirogyro
II. Alveoli → Earthworm
www.toppers.com.ng
III.
Malpighian
→
tubule
Mammal
IV.
C. helping it to utilize atmospheric
nitrogen
Contractile
→
vacuole
D. serving as a growth regulator
Protozoa.
30. The barrier between maternal
Which of the above structures is
correctly
matched
with
and foetal blood is the
the
organisms in which it is found?
A. placenta
B. liver
A. III
C. umbilical chord
B. II
D. uterine wall
C. I
31. The blood component that has
D. IV
the greatest affinity for oxygen is
28. A food chain always begins
the
with a
A. lymphocytes
A. consumer
B. leucocytes
B. decomposer
C. erythrocytes
C. producer
D. thrombocytes
D. primary consumer
32.
Which
of
the
following
29. Mycorrhizae promote plant
organisms is mainly found in the
growth by
marine habitat?
A. absorbing inorganic ions from
A. Achatina
the soil
B. Tilapia
B. protecting it from infection
C. Dog fish
D. Tortoise
www.toppers.com.ng
33. The two halves of the pelvic
A. tropical rainforest
girdle are joined together at the
B. desert
C. montane forest
A. public symphysis
D. guinea savanna
B. ilium
C. pubis
36. The activity of an organism
D. obturator foramen
which
affects
the
survival
of
another organism in the same
34. I. Adoption of appropriate
habitat constitutes
nocturnal habits
II. Burrowing
A. an edaphic factor
III. Adjusting their internal body
B. an abiotic factor
temperature.
C. a biotic factor
IV. Possession of many sweat
D. a physiographic factor
pores.
37.
The
average
number
Which of the above are ways in
individuals of
which desert animals adapt to
area of the habitat is the
of
species per unit
extreme heat of the environment?
A. population density
A. I and IV only
B. population frequency
B. II and III only
C. population size
C. I and II only
D. population distribution
D. I, II and III only
38. The vector for yellow fever is
35. Low annual rainfall, sparse
vegetation,
high
diurnal
A. Aedes mosquito
temperatures and cold nights are
B. Anopheles mosquito
characteristic features of the
C. tsetse fly
www.toppers.com.ng
D. blackfly
Use
the
diagram
below
to
answer questions 42 and 43
39.
The
loss
of
soil
through
erosion can be reduced by
A. watering
B. crop rotation
C. manuring
42. In which plantation are all the
D. irrigation
trees between the height of 24m?
40. The protozoan plasmodium
falciparum is transmitted by
A. III
B. II
A. female Anopheles mosquitoes
C. I
B. female Aedes mosquitoes
D. IV
C. female Culex mosquitoes
D. Female blackfly
43. Which of the following is a
true feature of plantation ll?
41.
A
dilute
solution
of
phenylthiocarbamide tastes bitter
to some people and is tasteless to
others. This is an example of
A. it has the highest number of
trees of about 2m high.
B. it has highest number of trees
C. it has the highest number of
A. taste bud variation
B. discontinuous variation
C. morphological variation
tall trees
D. the height of all its trees range
between 2m and 6m
D. continuous variation
www.toppers.com.ng
44. Thyroxine and adrenalin are
47.
examples
heterozygous
of
hormones
which
If
both
for
parents
a
are
trait,
the
probability that an offspring will
control
be recessive for that trait is
A. blood grouping
B. tongue rolling
A. 3⁄4
C. behavioural patterns
B. 1⁄2
D. colour variation
C. 1⁄4
D. 1
45. A pair of genes that control a
48. At what stage in the life
trait is referred to as
history of a mammal is the sex of
an individual set?
A. an allele
B. recessive
C. dominant
A. at adolescence
D. a hybrid
B. at puberty
C. at birth
46. The chromosome number of a
D. at conception
cell before and after the process
of
meiosis
represented as
is
conventionally
49.
The
features
main
between
distinguishing
the
soldier
termite and other members of the
A. 2n → 2n
caste are the
B. n → n
C. n → 2n
A. presence of wings, possession
D. 2n → n
of a small head and large thorax
B. presence of wings, possession
of a large thorax and a small head
www.toppers.com.ng
C. absence of wings, possession
Facebook Study Group
of strong mandibles and a large
head
If you need an explanation to
D. absence of wings, possession
any of the answers or you want to
of big head and the absence of
download more past questions
mandible
for FREE.
50. The flippers of a whale and
Click to ENTER our Facebook
the fins of a fish are examples of
A. divergent evolution
B. coevolution
C. continuous variation
D. convergent evolution
ANSWER KEYS
1. C 2. C 3. D 4. C 5. D 6. B 7. D
8. D 9. D 10. A 11. B 12. A 13.
D 14. B 15. C 16. A 17. C 18. B
19. A 20. A 21. B 22. A 23. C
24. C 25. D
26. A 27. D 28. C 29. A 30. A
31. C 32. C 33. A 34. C 35. D
36. A 37. C 38. B 39. A 40. A
41. B 42. A 43. A 44. C 45. A
46. D 47. C 48. B 49. C 50. A
www.toppers.com.ng
study group
2011 JAMB BIOLOGY QUESTIONS
PAPER TYPE: C
C. Spirogyra sp.
D. Tilapia sp.
1. Which Question Paper Type of
Biology is given to you?
4. Seed plants are divided into
A. Type A
A. tracheophytes and ferns
B. Type B
B.
C. Type C
gymnosperms
D. Type D
C.
angiosperms
and
monocotyledons
and
dicotyledons
2. The function of the red head in
D. thallophytes and bryophytes
male Agama lizards is to
5.
In
which
of
the
following
A. conceal and camouflage the
groups of vertebrates is parental
animal from predators
care mostly exhibited?
B. scare other males from the
territory
C.
A. Reptilia
attract
female
lizards
for
mating purposes
D.
warm
B. Amphibia
C. Aves
predators
of
the
D. Mammalia
distastefulness of the animal
Use the Diagrams below to
3.
In
which
species is the
of
the
following
biomass of
answer questions 6 to 8
an
individual the smallest?
A. Agama sp.
B. Bufo sp.
www.toppers.com.ng
6.
Which
of
represented
the
organisms
are
notable
9. The adaptive importance of
nuptial
flight
from
termite
agricultural pests?
colonies is to
A. II and IV
A. disperse the reproductives in
B. I and IV
order to establish new colonies
C. II and III
B. provide abundant food for birds
D. I and III
and
other
animals
during
the
early rains
7. An economic importance of the
C. ensure cross-breeding between
organism represented by IV is
members
that
another
of
one
colony
and
D. expel the reproductives so as
A.
it
transmits
water
borne
disease to humans
to provide enough food for other
members
B. it is destructive to farm crops
C. its faeces pollutes drinking
Use
water
answer question 10 and 11
D. it helps in
the control
the
diagram
below
to
of
mosquito larvae
8. The adult form of iii is a vector
of
A. sleeping sickness
B. river blindness
C. cholera
D. elephantiasis
10.
The
gas
evolved
process is
A. carbon (IV) oxide
B. nitrogen
www.toppers.com.ng
in
the
C. oxygen
14. The conversion of a nutrient
D. carbon (II) oxide
into a molecule in the body of a
consumer is referred to as
11.
The
experimental
set-up
above is used to demonstrate the
A. digestion
process of
B. assimilation
C. absorption
A. diffusion
D. inhibition
B. photosynthesis
C. fermentation
15. The ability of living organism
D. plasmolysis
to detect and respond to changes
in the environment is referred to
12. Which of the following can
as
cause shrinkage of living cells?
A. locomotion
A. Hypotonic solution
B. irritability
B. Isotonic solution
C. growth
C. Deionized water
D. taxis
D. Hypertonic solution
16. In mammals, the exchange of
13. Which of the following is true
nutrients and metabolic products
of leucocytes?
occurs in the
A. they are respiratory pigments
A. lungs
B. they are most numerous and
B. oesophagus
ramify all cells
C. trachea
C. they are large and nucleated
D. lymph
D. they are involved in blood
clotting
www.toppers.com.ng
17.
An
example
of
an
endospermous seed is
II. Test tube containing cane
sugar and diluted acid.
III. Test tube containing cane
A. maize gain
sugar
B. cashew nut
enzyme.
and
its
degrading
C. cotton seed
D. been seed
19. In which of the test tubes will
glucose
18. I. Parasitism → Sundew.
be
detected
after
complete hydrolysis?
II. Autotrophism →Amoeba.
III. Saprophytism → Alga.
A. I and II only
IV Heterotrophism → Agama.
B. II and III only
C. I only
Which of the above modes of
D. I, II and III
nutrition is correctly matched with
the organism that exhibits it?
20. The enzyme involved in the
hydrolysis is
A. II
B. III
A. rennin
C. II
B. erepsin
D. I
C. sucrase
D. maltase
Use the following information
to answer the questions 19
21. The part of the mammalian
and 20.
ear
responsible
for
maintenance of balance is the
I. Test tube containing cane
sugar and water.
A. cochlea
B. pinna
www.toppers.com.ng
the
C. perilymph
A. the movement of food and
D. ossicles
water
B. suction pressure
22. The path followed by air as it
C. transpiration pull
passes
D. the transport of gases and
through
the
lungs
in
mammals is
A.
water
trachea
→
bronchi
→
25. Which of the following organs
bronchioles → alveoli
regulates
B. bronchi → trachea → alveoli →
salts, hydrogen ions and urea in
bronchioles
the mammalian blood?
C.
trachea
→
bronchioles
levels
of
water,
bronchioles
→bronchi→ alveoli
D.
the
A. Liver
→
alveoli
→
bronchi →trachea
B. Kidney
C. Bladder
D. Colon
23. The movement response of a
cockroach
away
from
a
light
source can be described as
26. The sequence of the one-way
gaseous exchange mechanism in
a fish is
A. positive phototaxism
B. negative phototaxism
A. operculum → gills → mouth
C. negative phototropism
B. gills → operculum → mouth
D. positive phototropism
C. mouth → operculum → gills
D. mouth → gills → operculum
24. The vascular tissues in higher
plants are responsible for
27.
The
type
of
asexual
reproduction that is common to
both Paramecium and protists is
www.toppers.com.ng
A. budding
Weight of basin and roasted
B. sporulation
soil = 95.5g
C. fragmentation
The percentage of humus in the
D. fission
soil sample is
28. In nature, plants and animals
are
perpetually
engaged
in
A. 16.7%
B. 17.6%
mutualism because
C. 26.7%
D. 16.2%
A. they are rivals
B.
all
animals
rely
on
food
produced by plants
30. An example of a filter -feeding
C. they utilize respiratory wastes
animal is
of each other
A. shark
D. they are neighbours
B. butterfly
29.
In
an
determine
experiment
the
percentage
to
C. whale
of
D. mosquito
humus and water in a soil sample,
the
following
results
were
31. Which of the following is a
feature of the population pyramid
obtained:
of a developing country?
Weight
of
the
evaporating
basin alone = 80.5g
A. long lifespan
Weight of basin and soil =
B. low birth rate
101.5g
C. low death rate
Weight after drying the soil in
D. short lifespan
the oven = 99.0g
www.toppers.com.ng
32.
The
interaction
of
a
A. liver of humans
community of organisms with its
B.
abiotic environment constitutes
humans
reticuloendothelial
cells
of
C. Malpighian tubules of mosquito
A. niche
D. brain of humans
B. a food chain
C. an ecosystem
36.
D. a microhabitat
classified into
33. The vector of the malaria
A. biotic and abiotic
parasite is
B. aquatic and terrestrial
Habitats
are
generally
C. arboreal and marine biomes
A. female Aedes mosquito
D.
B. female Anopheles mosquito
macrohabitats
microhabitats
and
C. male Culex mosquito
D. female Culex mosquito
37.
Dracunculiasis
can
be
contacted through
34.
Which
of
the
following
instruments is used to measure
A. eating contaminated food
relative humidity?
B. drinking contaminated water
C. bathing in contaminated water
A. Hydrometer
D. bites of blackfly
B. Thermometer
C. Hygrometer
38. Which of the following groups
D. Anemometer
of
environmental
factors
are
densitydependent?
35. Exo-erythrocytic phase of the
life
cycle
of
occurs in the
malaria
parasite
A. Food, salinity, accumulation of
metabolites and light
www.toppers.com.ng
B. Temperature, salinity predation
A. recessive
and disease
B. sex-linked
C. Food predation, disease and
C. homozygous
accumulation of metabolites
D. dominant
D. Temperature food disease and
light
42. Lack of space in a population
could lead to an increase in
39. Millet, sorghum, maize and
onions are common crops growth
A. water scarcity
in Nigeria in the
B. birth rate
C. disease rate
A. tropical rainforests
D. drought
B. Sudan savanna
C. montane forests
43. If the cross of a red-flowered
D. Sahel savanna
plant with a white-flowered plant
produces a pinkflowered plant, it
40. In which of the following
is an example of
biomes is the south western part
of Nigeria located?
A. codominance
B. incomplete dominance
A. Temperate forest
C. mutation
B. Tropical rainforest
D. linkage
C. Tropical woodland
D. Desert
44.
Which
of
the
following
theories was NOT considered by
41.
The
inheritable
characters
Darwin in his evolutionary theory?
that are determined by a gene
located on the Xchromosome is
A. Variation
B. Survival of the fittest
www.toppers.com.ng
C. Use and disuse
D. similar antigens and antibodies
D. Competition
48.
The
fallacy
45. The crossing of individuals of
evolutionary
the same species with different
assumption that
in
theory
Lamarck's
was
the
genetic characters is
A. traits are acquired through
A. cross breeding
disuse of body parts
B. polygenic inheritance
B. acquired traits are heritable
C. non-disjunction
C.
D. inbreeding
formed
acquired
traits
are
seldom
D. traits are acquired through the
46.
The
number
controlling
blood
of
alleles
groups
use of body parts
in
humans
49. The bright coloured eye spots
on the wings of moth are an
A. 3
example of
B. 4
C. 5
A. warning colouration
D. 2
B. disruptive colouration
C. crypsis
47.
During
agglutination
blood
may
transfusion,
occur
as
D. mimicry
a
result of the reaction between
50. The wings of a bat and those
of a bird are examples of
A.
contrasting
antigens
and
antibodies
A. convergent evolution
B. two different antigens
B. continuous variation
C. two different antibodies
C. coevolution
www.toppers.com.ng
D. divergent evolution
ANSWER KEYS
1. C 2. C 3. D 4. C 5. D 6. A 7. B
8. D 9. A 10. A 11. C 12. D 13. B
14. A 15. B 16. D 17. A 18. C
19. B 20. C 21. A 22. A 23. C
24. A 25. B
26. D 27. D 28. B 29. A 30. C
31. C 32. C 33. B 34. C 35. A
36. B 37. B 38. C 39. B 40. B
41. C 42. B 43. A 44. A 45. D
46. A 47. A 48. A 49. D 50. D
www.toppers.com.ng
2012 JAMB BIOLOGY QUESTIONS
PAPER TYPE: RED
A. mitochondrion
B. cell wall
1. Which Question Paper Type of
C. endoplasmic reticulum
Biology
D. nucleus
as
indicated
above
is
given to you?
4. Which of the following is most
A. Type Green
advanced
B. Type Purple
trend of animals?
in
the
evolutionary
C. Type Red
D. Type Yellow
A. Liver fluke
B. Earthworm
Use
the
diagram
below
to
answer question 2 and 3
C. Snail
D. Cockroach
5. Which of the following is the
lowest category of classification?
A. Class
B. Species
2. The organelle responsible for
C. Family
heredity is labelled
D. Genus
A. l
6. Plants that show secondary
B. ll
growth are usually found among
C. lll
the
D. I
A. thallophytes
3. The part labelled IV is the
B. pteridophytes
www.toppers.com.ng
C. monocotyledons
10.
D. dicotyledons
possesses mammary gland?
7. The fungi are distinct group of
A. Dogfish
eukaryotes mainly because they
B. whale
have
C. shark
Which
of
the
following
D. catfish
A. spores
B. no chlorophyll
11. The feature that links birds to
C. many fruiting bodies
reptiles
D. sexual and sexual reproduction
possession of
8. An arthropod that is destructive
A. feathers
at early stage of its life cycle is
B. break
in
evolution
is
the
C. skeleton
A. butterfly
D. scales
B. mosquito
C. bee
12. Countershading is an adaptive
D. millipede
feature that enables animals to
9. An animal body that can be cut
A. fight enemies
along its axis in any plane to give
B. remain undetected
two identical parts is said to be
C. warn enemies
D. attract mates
A. radially symmetrical
B. bilaterally symmetrical
13. Which of the following plant
C. asymmetrical
structures
D. symmetrical
cuticle?
www.toppers.com.ng
lacks
a
waterproof
A. leaf
B. Loran thus
B. stem
C. Rhizopus
C. root
D. Tapeworm
D. shoot
17. A function of the hydrochloric
14.
In
the
mammalian
male
reproductive system, the part that
acid
produced
in
the
human
stomach during digestion is to
serves as a passage for both urine
and semen is the
A. neutralise the effect of bile
B. coagulate milk protein
and
A. urethra
emulsify fats
B. ureter
C. stop the action of ptyalin
C. bladder
D. break up food into smaller
D. seminal vesicle
particles
15.
In
plants
which
of
the
following is required in minute
18. Which of the following is a
polysaccharide?
quantities for growth?
A. Glucose
A. Copper
B. Sucrose
B. Potassium
C. Maltose
C. Phosphorus
D. Cellulose
D. Sodium
Use
16.
Which
of
the
following
organisms is both parasitic and
the
diagram
below
to
answer this question 19 and
20.
autotrophic?
A. Sundew
www.toppers.com.ng
B. Bowman's capsule
C. loop of Henle
D. renal tubule
22. Which of the following is
involved in secondary thickening
in plants?
19. Arrows represent directional
movement
materials.
A. Collenchyma and xylem cells
Transportation in the xylem is
B. Vascular cambium
represented by
C. Vascular cambium and cork
cambium
A. I
D.
Cork
B. II
sclerenchyma
cambium
and
C. III
23. An example of a fruit that
D. IV
develops from a single carpel is
20.
The
arrow
labelled
ll
A. okro
represents the
B. tomato
A. release of oxygen
C. bean
B. intake of carbon (IV) oxide
D. orange
C. movement of photosynthates
24. The developing embryo is
D. movement of nutrients
usually
21. In the kidney of mammals,
labelled
the site of ultrafiltration is the
A. IV
A. uriniferous tubule
B. III
www.toppers.com.ng
contained
in
the
part
C. II
28. Plants of temperate origin can
D. I
be grown in tropical areas in the
vegetation zones of the
25.
The
function
of
the
part
labelled lll is to
A. rain forest
B. Guinea savanna
A. produce egg cells
B.
protect
sperms
C. Sudan savanna
during
D. montane forest
fertilization
C. secrete hormones during coitus
29. The water cycle is maintained
D. protect the developing embryo
mainly by
26. Plant growth can be artificially
A. evaporation of water in the
stimulated by the addition of
environment
B. evaporation and condensation
A. gibberellin
of water in the environment
B. kinin
C. condensation of water in the
C. abscisic acid
environment
D. ethylene
D. transpiration and respiration in
plants
27.
The
autonomic
nervous
system consists of neurons that
30.
control the
estuarine habitat are adapted to
A. voluntary muscles
A. withstand wide fluctuations in
B. heart beat
temperature
C. tongue
B. survive only in water with low
D. hands
salinity
Organisms
www.toppers.com.ng
living
in
an
C. withstand wide fluctuations in
B. ferns
salinity
C. lichen
D. feed only on phytoplankton
D. fungi
and dead organic matter
34. The carrying capacity of a
31. The presence of stilt roots,
habitat
pneumatophores, sunken stomata
population growth begins to
and
salt
glands
are
is
reached
when
the
adaptive
features of plants found in the
A. increase slowly
B. increase exponentially
A. tropical rainforest
C. slow down
B. mangrove swamps
D. remain steady
C. grassland
D. montane forest
35.
The
abiotic
factors
that
control human population include
32. Which of the following animals
can exist solely on the water they
A. disease and famine
get
B. space and rainfall
from
food
and
metabolic
reactions?
C. flooding and earthquake
D. temperature and disease
A. forest arboreal dweller
B. Desert dwellers
36.
C. forest-ground dweller
renewing
D. rainforest dwellers
fertility is by
33. The most likely first colonizers
A. clearing farms by burning
of a bare rock are
B. planting one crop type
C.
A. mosses
An
indigenous
adding
yearly
www.toppers.com.ng
and
method
maintaining
inorganic
of
soil
fertilizers
D.
crop
rotation
and
shifting
cultivation
39.
The
cassava
largest
number
of
plants
has
an
approximate height of
37.
The
diseases
caused
by
water-borne pathogens include
A. 1.4m
B. 1.6m
A. gonorrhoea and poliomyelitis
C. 1.8m
B. typhoid and syphilis
D. 2.0m
C. tuberculosis and cholera
D. typhoid and cholera
40. Which of the following is true
in blood transfusion?
Use
the
diagram
below
to
answer question 38 and 39.
A. person of blood group AB can
donate
blood
only
to
another
person of blood group AB
B. persons of blood groups A and
B can donate or receive blood
from each other
C. A person of blood group AB can
38. The graph illustrates
receive blood only from persons
of blood group A or B
A.
the
highest
frequency
for
height of 2 metres
B.
a
discontinuously
D. A person of blood group O can
donate only to a person of blood
varying
group O
varying
41. A yellow maize is planted and
character
C.
a
continuously
character
all
D. total yield in a cassava farm
yellow
the
fruits obtained
seeds.
cross-bred,
www.toppers.com.ng
When
yellow
are of
they
seeds
are
and
→
white seeds are obtained in a
D.
adenine
adenine
ratio 3:1. The yellow seed is said
cytosine → cytosine
and
to be
Use
the
diagram
above
to
A. non-heritable
answer this question 44 and
B. sex-linked
45
C. a recessive trait
D. a dominant trait
42.
When
a
colour-blind
man
marries a carrier woman. What is
the probability of their offspring
44. The type of interaction shown
being colour blind?
is referred to as
A. 25%
B. 50%
A. interspecific competition
C. 75%
B. intraspecific competition
D. 100%
C. mutualism
D. cooperation
43. The correct base pairing for
45.
DNA is
Which
statement
A.
adenine
→
of
is
the
true
following
of
the
thymine
and
interaction?
guanine
and
A. P aurelia is better adapted for
guanine → cytosine
B.
adenine
→
thymine → cytosine
C.
adenine
→
guanine → thymine
obtaining food than P caudatum
cytosine
and
B. P caudatum is better adapted
for obtaining food than P. aurelia
C. both organisms cannot coexist
www.toppers.com.ng
D.
both
organisms
cannot
C. search for a favourable place to
breed
reproduce
D. ensure that every individual
46. The short thick break in birds
gets a mate
is an adaptation for
49. The use and disuse of body
A. crushing seeds
parts
and
B. sucking nectar
acquired
C. tearing flash
explain
the
traits
inheritance
were
used
of
to
D. straining mud
A. Darwin's theory
47. The basking of Agama lizards
B. Lamarek's theory
in the sun is to
C. genetic drift
D. gene flow
A. change the colour of their body
B. raise their body temperature to
50. From his study of Galapagos
become active
finches, Darwin derived his theory
C. fight to defend their territories
of evolution from
D. attract the female for courtship
A. comparative anatomy
48. The significance of a very
B. comparative physiology
large number of termites involved
C. fossil remains
in nuptial swarming is to
D. comparative embryology
A. provide birds with plenty of
ANSWER KEYS
food
B.
ensure
their
perpetuation
despite predatory pressure
1. C 2. B 3. C 4. D 5. B 6. B 7. B
8. A 9. A 10. B 11. D 12. B 13. C
www.toppers.com.ng
14. A 15. A 16. A 17. C 18. D
19. D 20. A 21. B 22. C 23. C
24. C 25. A
26. A 27. B 28. B 29. B 30. C
31. B 32. B 33. D 34. C 35. C
36. D 37. D 38. B 39. B 40. A
41. D 42. B 43. A 44. A 45. C
46. A 47. D 48. B 49. B 50. B
Facebook Study Group
If you need an explanation to
any of the answers or you want to
download more past questions
for FREE.
Click to ENTER our Facebook
study group
www.toppers.com.ng
2013 JAMB BIOLOGY QUESTIONS
PAPER TYPE: B
4. The organelles present in cells
that are actively respiring and
1. Which Question Paper Type of
photosynthesizing are
Biology is given to you?
A. lysosomes and ribosomes
A. Type D
B.
B. Type I
endoplasmic reticulum
C. Type B
C. nucleus and centrioles
D. Type U
D. mitochondria and chloroplast
2. The process in which complex
5. Taenia solium can be found in
Golgi
apparatus
and
substances are broken down into
simpler ones is referred to as
A. cow
B. goat
A. anabolism
C. dog
B. catabolism
D. pig
C. metabolism
D. tropism
6. The structure labelled II is the
3. The organ which is sensitive to
A. spermathecal pore
light in Euglena is the
B. cocoon
C. clitellum
A. gullet
D. chaetae
B. flagellum
C. chloroplast
7.
D. eyespot
www.toppers.com.ng
The organism is found in soils rich
D. the abdomen of moth is fatter
in
than that of butterfly
A. mud
B. humus
10. Which of the following types
C. clay
of feathers is used for flight in
D. sand
birds?
8.
Which
describes
of
a
the
following
characteristic
of
arthropods?
A. Quill
B. Filo plume
C. Covert
D. Down
A. The organism finds it easy to
grow freely
11.
B. the organism has a pair of
deserts or very dry areas are
jointed appendages
referred to as
The
plants
that
grow
in
C. the body is not divided into a
number of segments
A. mesophytes
D. the body is covered by chitin
B. hydrophytes
C. epiphytes
9.
Which
of
the
following
D. xerophytes
distinguishes a butterfly from a
12. Which of the following is the
moth?
simplest living organism?
A. the wings of butterfly rest
horizontally but those of moth
A. Paramecium
rest vertically
B. Virus
B. Both are active during the day
C. Amoeba
C. they have similar antennae
D. Chlamydomonas
www.toppers.com.ng
13. Proboscis is a structure that is
following
mostly found in
from the sun?
A. insects
A. anabaena
B. tapeworms
B. sulphur bacteria
C. amphibians
C. Nitrosomonas sp.
D. molluscs
D. Nitrobacter sp.
14. The structural adaptation of
17. Movement of minerals and
desert
chemical compounds with a plant
plants
for
water
organism
conservation is
occurs during
A. broad leaves with numerous
A. osmosis
stomata
B. translocation
B. spongy mesophyll
C. transpiration
C. spiny leaves
D. diffusion
use
energy
D. prominent stomata in leaves
18. The enzyme that is present in
15. The long and sharp clawed
the saliva is
feet of birds is an adaptation for
A. rennin
A. crushing seeds
B. lipase
B. scooping mud
C. pepsin
C. tearing flesh
D. ptyalin
D. grasping prey
19.
Plants
that
have
special
16. During the manufacture of
devices for trapping and digesting
food
insects are
by
plants,
which
of
the
www.toppers.com.ng
A. carnivorous
D. Chlamydomonas
B. symbiotic
C. parasitic
23. Which blood cell are involved
D. saprophytic
in
the
immune
response
of
vertebrates?
20. The process of transforming
the chemical energy of cellular
A. Phagoecytes
fuels into the high energy bonds
B. lymphocytes
of ATP in plants is
C. erythrocytes
D. monocytes
A. autotropism
B. photosynthesis
24. The blood circulatory system
C. photolysis
of vertebrates consists of
D. respiration
A. heart, arteries, capillaries and
21.
Fungi
are
referred
to
as
hetotrophs because they
veins
B. heart, aorta, capillaries and
veins
A. are filamentous
C. heart, aorta, arteries and veins
B. lack chlorophyll
D. heart, vena cava, arteries, and
C. have mycelium
veins
D. lack roots
25. A plant tissue that carries
22. An example of a parasitic
water and mineral salts is the
protozoan is
A. cambium
A. Paramecium
B. xylem
B. Plasmodium
C. cortex
C. Euglena
D. phloem
www.toppers.com.ng
26. Which of the following helps in
B. Uric acid
the clotting of blood?
C. Sweat
D. Mucilage
A. Red blood cells
B. White blood cells
30.
C. Plasma
vertebrates
D. Platelets
protects the body is the
27. Which of the following forms
A. skeleton
about 55% of the volume of the
B. ligament
blood in man?
C. muscle
The
main
that
structure
supports
in
and
D. joint
A. leucocytes
B. platelets
31. The chitin in the exoskeleton
C. plasma
of
D. erythrocytes
strengthened by
28. The part of the mammalian
A. lids
skin involved in excretion is the
B. proteins
many
arthropods
is
C. calcium compounds
A. sweat glands
D. organic salt
B. Malpighian layer
C. sebaceous gland
32. The transfer of pollen grains
D. horny layer
from the anther to a sigma is
29. Which of the following is a
A. propagation
waste product of an insect?
B. placentation
C. pollination
A. Alkaloids
D. fertilization
www.toppers.com.ng
33. The male reproductive organ
C. rod
of a flower is the
D. iris
A. carpel
37. The absence of anti-diuretic
B. stamen
hormone in humans results in
C. petal
D. sepal
A. decreasing dehydration
B. drastic dehydration
34. The gland that is found just
C. eliminating dehydration
below the hypothalamus is the
D. increasing dehydration
A. parathyroid
38. Oestrogen is a hormone that
B. adrenal
is synthesized in the
C. pituitary
D. thyroid
A. ovaries
B. testes
35. The most important plant
C. anterior pituitary
hormone is
D. adrenal cortex
A. cytokinin
39. The eye defect cause by the
B. abscisic acid
development of cloudy areas in
C. auxin
the lenses is
D. gibberellin
A. presbyopia
36. The sensory cell that responds
B. glaucoma
to dim light is referred to as the
C. cataract
D. astigmatism
A. cone
B. lens
www.toppers.com.ng
40.
A
pollutant
that
is
C. Tuberculosis
biodegradable is
D. Syphilis
A. crude oil
44. To which blood group do
B. heavy metals
universal recipients belong?
C. cellophane
D. sewage
A. B
B. A
41. A tropical disease caused by
C. O
Trypanosoma is
D. AB
A. sleeping sickness
45. The clumping together of red
B. river blindness
blood cells is
C. yellow fever
D. malaria
A. agglutination
B. fusion
42.
The
solid
part
of
the
C. transfusion
ecosystem is referred to as the
D. compatibility
A. atmosphere
46. Physiological
B. hydrosphere
very dry conditions in animals
C. biosphere
demonstrates
D. lithosphere
A. rejuvenation
43. Which of the following is
B. xeromorphism
caused by Treponema palladium?
C. hibernation
D. aestivation
A. Gonorrhoea
B. Leprosy
www.toppers.com.ng
adaptation
to
47. One of adaptation of Cactus
A. symbiosis
opuntia to conserve water is the
B. saprophytism
reduction of
C. parasitism
D. commensalisms
A. internodes
ANSWER KEYS
B. stem to leaves
C. leaves to spine
1. C 2. B 3. D 4. D 5. D 6. C 7. B
D. flower size
8. D 9. A 10. A 11. D 12. C 13. A
following
14. C 15. D 16. A 17. B 18. D
structure is adapted for feeding in
19. A 20. D 21. B 22. B 23. A
a bird of prey?
24. A 25. B
A. Hooked break and sharp claws
26. D 27. C 28. A 29. B 30. A
B. Smooth beak and strong claws
31. C 32. C 33. B 34. C 35. C
C. Big beaks and strong feet
36. C 37. A 38. A 39. C 40. D
D. Pointed beak and strong claws
41. A 42. D 43. D 44. D 45. A
48.
Which
of
the
46. C 47. C 48. A 49. A 50. A
49. The special pigment for colour
change in chameleon is
A. melanin
B. carotenoid
C. chromatin
D. chromatophore
50. The behavioural adaptation in
social
insects
could
best
be
described as
www.toppers.com.ng
2014 JAMB BIOLOGY QUESTIONS
A. III
PAPER TYPE: L
B. IV
1. Which Question paper Type of
C. I
Biology is given to you?
D. II
A. Type F
4. The lowest level of organization
B. Type E
in living organisms is
C. Type L
A. organ
D. Type S
B. cell
Use
the
diagram
below
to
C. system
D. tissue
answer 2 and 3.
5. Which of the following is the
most complex according to their
cellular level of organization?
A. Heart
B. Hair
C. Euglena
2. The part labelled II is the
D. Hydra
A. nucleus
Use
B. eyespot
the
D. contractile vacuole
The
part
below
answer questions 6 and 7
C. basal granule
3.
diagram
responsible
for
photosynthesis is labelled
www.toppers.com.ng
to
C. Amoeba
D. Euglena
9. In bryophytes, sex organs are
produced in the
A. protonema
6. The organs for attachments to
B. sporophyte
the lining of the host's intestine
C. gametophyte
are labelled
D. rhizoid
A. II and III
10. Seed plants are the most
B. III and IV
dominant
C. I and II
because of
vegetation
on
land
D. I and III
A. their motile gametes
7.
The
young
proglottid
is
B. their ability to photosynthesize
C. efficient seed dispersal
represented by
D. availability of water
A. III
B. IV
11. Which of the following is an
C. I
arboreal organism?
D. II
A. Elephant
8.
Which
of
the
following
organisms is multi-cellular?
B. Fish
C. Antelope
D. Bird
A. Chlamydomonas
B. Spirogyra
www.toppers.com.ng
Use
the
diagram
below
to
smaller organisms like Amoeba
answer questions 12 and 13
because
12. The part labelled I is the
A. amoeba lives in freshwater
B.
diffusion
is
sufficient
to
A. xylem
transport materials in Amoeba
B. phloem
C. amoeba lacks blood containing
C. root hairs
haemoglobin
D. cortex
D.
amoeba
exhibits
anaerobic
respiration
13. The diagram is the transverse
section of a
16. In vascular plants, the sieve
tubes and companion cells are
A. monocotyledonous stem
present in the
B. dicotyledonous stem
C. monocotyledonous root
A. cambium
D. dicotyledonous root
B. cortex
C. xylem
14. I
The
,c
, pm
general
,m
formula
.
above
represents that of
D. phloem
17. The stomata of leaves are
similar in function to the
A. an omnivore
A. pharynx of humans
B. a detritus feeder
B. scales of fish
C. a carnivore
C. spiracle of insects
D. a herbivore
D. trachea of toads
15. A circulatory system is very
essential in mammals but not in
www.toppers.com.ng
18. The use of moist skin for
A. mosses
respiration
B. fungi
in
amphibians
is
known as
C. grasses
D. conifers
A. cellular respiration
B. cutaneous respiration
22. I. Growth is mainly apical
C. buccal respiration
II. Growth is specific with definite
D. pulmonary respiration
shape
III. Growth is throughout life.
19. Water in plants is removed as
water vapour through the process
Which
of
describes the growth pattern in
of
the
above
correctly
plants?
A. diffusion
B. osmosis
A. I, II and III only
C. evaporation
B. II and III only
D. transpiration
C. I and II only
D. I and III only
20. An example of an organ of
perennation in plants is
23. Coordination and regulation of
body activities in mammals are
A. rhizome
achieved by the
B. seed
C. petal of a flower
A. nerves and muscle
D. calyx of flower
B. nerves and hormones
C. nerves only
21. Alternation of generation is a
D. hormones only
feature shown in
www.toppers.com.ng
24. The Cerebellum of the Brain
A. edaphic
controls
B. physiographic
C. biotic
A. reflex action
D. topographic
B. muscular activity
C. emotional expressions
28. The genetic make-up of an
D. the Endocrine system
organism is described as
25.
The
part
of
the
brain
responsible for peristalsis is the
A. allele
B. chromosome
C. phenotype
A. Olfactory Lobe
D. genotype
B. Medulla Oblongata
C. Hypothalamus
29. The major limiting factor of
D. Thalamus
productivity in the aquatic habitat
is
26.
Which
of
the
following
instruments is used for measuring
A. food
atmospheric pressure?
B. temperature
C. water
A. Hydrometer
D. sunlight
B. Hygrometer
C. Thermometer
30. Which of the following group
D. Barometer
of organisms feeds directly on
green plants?
27.
The
influence
of
soil
on
organisms in a habitat is referred
A. Primary Consumers
to as
B. Secondary Consumers
C. Producers
www.toppers.com.ng
D. Decomposers
D. Guinea Savanna
31. A characteristic feature of
34. Which of the following is a
tropical rainforest is that it
nitrogen fixing blue-green algae
of soil?
A. Contains trees with narrow
leaves
A. Rhizobium
B. Contains large number of plant
B. Nitrosomonas
species
C. Clostridium
C. Contains fewer number of plant
D. Anabaena
species
D. Has total annual rainfall of less
35. The soil with highest water-
than 50cm
retaining capacity is
32. The study of how and why
A. Clayey Soil
population size change over time
B. Stoney soil
is
C. Sandy soil
D. Loamy Soil
A. Population estimation
B. Population dynamics
36.
C. Population ecology
Poliomyelitis is
The
causative
agent
of
D. Population Cycle
A. Virus
33. A severe and long dry season
B. Fungus
is a characteristic feature of
C. Protozoan
D. Bacterium
A. Sahel Savanna
B. Mangrove Swamps
37. One of the ways of controlling
C. Sudan Savanna
noise pollution in urban areas is
www.toppers.com.ng
A. by siting industries away from
40. A pollutant that is mostly
residential areas
associated with acid rain is
B. that fuel should be completely
combusted by engines
A. Nitrogen (IV) Oxide
C. by planting trees on both sides
B. Ozone
of the road
C. Fluorine
D. by wearing ear devices
41. When the adults have reach a
38. A constituent of the exhaust
certain degree of weakness, the
fumes from electricity generating
process
sets
replaced by conjugation in
which
causes
serious
of
binary
fission
is
pollution is
A. Paramecium
A. Carbon (II) Oxide
B. Euglena
B. Water Vapour
C. Amoeba
C. Ozone
D. Plasmodium
D. Carbon (IV) Oxide
42. Whorls, arches, loops and
39. Which of the following is true
compounds are types of variation
of small pox?
in
A. It is transmitted by bacteria
A. Colour
B. It can effectively be controlled
B. Finger prints
with antibiotics
C. Hair Colour
C. It can effectively be controlled
D. Blood group
by vaccination
D. It is a water-borne infection
43. A couple has 10 children, all
female. Which of the following
best explains the situation?
www.toppers.com.ng
A. The sex determination was by
B. A, AB and O only
the man's X chromosome
C. AB only
B. The man's sperm count is low
D. A and B only
C. The woman is not capable of
producing male children
47. The stream-lined shape of
D. The sex determination was by
fishes is an adaptation for
the man's Y chromosome
A. Securing mates
44.
A
biological
agent
with
antiviral property is
B. easy movement
C. obtaining food
D. defence and attack
A. Interferon
B. enzyme
48.
C. antibiotic
poikilothermic organism is a
An
example
of
a
D. disinfectant
A. Lizard
45. One of the advantages of
B. Cockroach
outbreeding is
C. rabbit
D. bird
A. pests tolerance
B. disease resistance
49.
All
living
C. fast growth
constantly involved in a struggle
D. tall height
for existence. This was proposed
by
46. An individual with blood group
AB can receive blood from those
A. Morgan
in blood group(s)
B. Darwin
C. Lamarck
A. A, B, AB, O
D. Wallace
www.toppers.com.ng
organisms
are
50.
Adaptive
radiation
is
Facebook Study Group
illustrated in
If you need an explanation to
A. modified insect mouthparts
any of the answers or you want to
B. dentition in mammals
download more past questions
C. wings in birds and bats
for FREE.
D. appendages in insects
Click to ENTER our Facebook
ANSWER KEYS
study group
1. C 2. D 3. A 4. B 5. B 6. A 7. B
8. B 9. C 10. C 11. D 12. C 13.
D 14. D 15. B 16. A 17. C 18. B
19. D 20. B 21. A 22. D 23. B
24. B 25. B
26. D 27. A 28. C 29. A 30. A
31. B 32. B 33. A 34. A 35. A
36. A 37. A 38. A 39. C 40. A
41. A 42. B 43. A 44. B 45. B
46. A 47. B 48. A 49. B 50. C
www.toppers.com.ng
2015 JAMB BIOLOGY QUESTIONS
1. Which of the following has the
4. The theory which supports the
most
view
primitive
respiratory
system?
that
the
large
muscles
developed by an athlete will be
passed on to the offspring was
A. insect
proposed by
B. fish
C. snail
A. Mendel
D. mouse
B. Darwin
C. Lamark
2.
One
adaptation
hydrophytes
in
shown
fresh
by
D. Pasteur
water
habitats is the
5. The chromosomes of members
of the kingdom Monera are within
A. waxy cuticle on shoot surface
the
B. poor development of roots and
xylem tissues
C.
well-developed
A. nucleoplasm
roots
and
B. nucleus
supporting system
C. nucleolus
D. leaves reduced to spines
D. cytoplasm
3. Which of the following use
6.
diffusion as the principal method
Nigeria is restricted to the
The
mangrove
of gaseous exchange?
A. Sahel savanna
A. grasshopper
B. Guinea savanna
B. rat spines
C. Tropical rainforest
C. lizard
D. Sudan savanna
D. earthworm
www.toppers.com.ng
swamp
in
7. The pancreas secretes enzymes
A. colour of the skin in humans
for the digestion of
B. ability to roll the tongue
C. possession of facial hair in
A.
fats,
proteins
and
adult humans
carbohydrates
D. ability to grow. long hair in
B. fats, vitamins and cellulose
females
C.
fats,
carbohydrates
and
vitamins
D.
proteins,
11. In which of the following
cellulose
and
Nigerian
states
can
minerals
vegetation be found?
8. The causative agent of bird flu
A. Bauchi
is a
B. Plateau
montane
C. Taraba
A. protozoan
D. Enugu
B. virus
C. bacterium
12. Which of the following is true
D. fungus
of cloning?
9. A water medium is necessary
A. it is welcomed as an ethically
for fertilization in
and normally sound science
B.
it
involves
the
asexual
A. conifers
multiplication of the tissues of the
B. angiosperms
original organism
C. ferns
C. the clone is similar to but not
D. fungi
exactly like the original organism
D. only one cell of the original
10. An example of a sex-linked
organism is needed to imitate the
trait is the
process
www.toppers.com.ng
13. The process of shedding the
A. RNA analysis
exoskeleton of an arthropod is
B. blood group test
known as
C. behavioural traits test
D. DNA analysis
A. ecdysis
B. in star formation
17. An example of a fish that
C. metamorphosis
aestivates is
D. osmosis
A. croaker
14. Which of the following is a
B. lung fish
major cause of constipation in
C. shark
humans?
D. cat fish
A. lack of roughage
18. The opening and closing of
B. vitamin B
the stoma are regulated by
C. vitamin E
D. lack of salts
A. respiration
B. osmosis
15.
In
mammals,
the
organ
C. diffusion
directly on top of the kidney is the
D. transpiration
A. adrenal gland
19. Which of the following is
B. prostate gland
common
C. pancrease
housefly and blackfly?
to
the
mosquito,
D. thyroid gland
A. they are parasites of man
16. An accurate identification of a
B.
rapist
aquatic
can
be
carried
out
by
their
conducting a
www.toppers.com.ng
immature
stages
are
C.
they
undergo
complete
22. The waste product of plants
metamorphosis
used in the conversion of hide to
D. their adults have two pairs of
leather is
wings
A. alkaloid
20. The organs that will be most
B. resin
useful to giant African rats in
C. tannin
finding their way in underground
D. gun
habitats are the
23. The correct sequence of the
A. nostrils
movement
B. eyes
formation is
of
urea
during
C. vibrissae
A. glomerulus - Bowman's capsule
D. tails
- convoluted tubule - Henle's loop
21. A crucible of 5gm weighed
- collecting tubule
10gm after filling with fresh soil.
B. convoluted tubule - glomerulus
It is then heated in an oven at
- Henle's loop - Bowman's capsule
1000C for 1 hour. After cooling in
- collecting tubule
a desiccator, the weight was 8gm.
C. glomerulus - Bowman's capsule
The percentage of water in the
– convoluted tubule - Henle's loop
soil is
- collecting tubule
D. convoluted tubule - Bowman's
A. 0.8
capsule - Henle's loop -glomerulus
B. 0.2
– collecting tubule
C. 0.4
D. 0.6
24. In lizards, the lowing of the
gular fold is used to
www.toppers.com.ng
A. defend their territory
28. The eye defect that rises
B. attract mates
because the cornea is not curved
C. frighten enemies
smoothly is
D. catch insects
A. astigmatism
25. The photosynthetic pigments
B. short-sightedness
include
C. long-sightedness
D. presbyopia
A. chloroplast and cytochromes
B. melanin and haemoglobin
29. Which of the following is an
C. chlorophyll and carotenoids
example of parasitism?
D. carotenoids and haemoglobin
A.
a
squirrel
living
in
an
26. The highest level of ecological
abandoned nest of a bird
organization is the
B. mistletoe growing on an orange
tree
A. ecosystem
C. fungi growing on a dead tree
B. niche
branch
C. biosphere
D. cattle egrets taking tasks from
D. population
the body of cattle
27. A biotic factor which affects
30. The increasing order of the
the distribution and abundance of
particle size in the following soil
organism in a terrestrial habitat is
types is
A. pH
A. cattle sand – clay-gravel
B. competition
B. clay - silt sand – gravel
C. temperature
C. silt - clay - sand - gravel
D. light
D. clay - sand - silt – gravel
www.toppers.com.ng
31. Which of following factors can
B. nucleolus
bring
C. endoplasmic reticulum
about
competition
population?
D. mitochondrion
A. emigration
34. The organelle responsible for
B. drought
heredity is
C. mortality
D. dispersion
A. IV
B. I
32. Stunted growth and poor root
C. II
development are a result of a
D. III
deficiency in
Use
A. phosphorus
the
diagram
below
to
answer questions 35 and 36.
B. calcium
C. sulphur
D. iron
Use
the
diagram
below
to
answer question 33 and 34.
35. The process illustrated is
A. gametogenesis
B.
sexual
reproduction
in
reproduction
in
Rhizopus
33.
The
cell
organelle
solely
responsible for respiration is the
C.
sexual
Spirogyra
D. sporulation
A. nucleus
www.toppers.com.ng
36. The structure labelled I is the
Use
the
diagram
below
to
answer questions 39 and 40.
A. zygospore
B. conidiophore
C. sporangium
D. hypha
Use
the
diagram
below
to
answer questions 37 and 38.
39. The part labelled I is the
A. pulmonary artery
B. bicuspid valve
37. The organelle responsible for
C. aorta
sexual reproduction is
D. vena carva
A. IV
40. Oxygenated blood is pumped
B. I
to the entire body from the part
C. II
labelled
D. III
A. IV
38.
The
part
labelled
responsible for
IV
is
B. I
C. II
D. III
A. respiration
B. ingestion
Use
the
C. locomotion
answer questions 41 and 42.
D. osmoregulation
www.toppers.com.ng
diagram
below
to
43.
The
illustrated
breeding
in
the
posture
diagram
is
known as
41. The experiment demonstrates
A. reproductive swimming
B. amplexus
C. mating
A. hydrotropism
D. courtship
B. phototropism
C. thigmotropism
44. The diagram shows that the
D. hydrotropism
organisms are
42. The part marked I will contain
A. viviparous
a high concentration of
B. hermaphrodite
C. ovoviviparous
A. ethylene
D. oviparous
B. abscisic acid
C. auxin
45. Insulin is produced by the
D. ascorbic acid
endocrine organ labeled
Use
the
diagram
below
answer questions 43 and 44
to
A. I
B. IV
C. III
D. II
46. Which of the following will be
true of dog II which lost its tail in
an accident if it mates with dog
III?
www.toppers.com.ng
A. all its offspring will be born
48.
The
without tails
adaptation
B. 3/4 of its offspring will be born
animal is
type
of
exhibited
protective
by
the
without tails
C. none of its offspring will be
A. flash coloration
born without a tail
B. countershading colouration
D. 1/4 of its offspring will be born
C. warning colouration
without tails.
D. disruptive colouration
47. If the dogs are offspring of a
49. The structure labeled I is
monohybrid cross and the gene G
for grey head is dominant over as
A. tactile
illele
B. radiosensitive
g,
the
individual
whose
genotype is likely to be gg is
C. photosensitive
D. chemoreceptive
A. I
B. IV
ANSWER KEYS
C. III
1. A 2. B 3. D 4. C 5. D 6. C 7. A
D. II
8. B 9. C 10. C 11. B 12. D 13. A
Use
the
diagram
below
to
answer questions 48 and 49.
14. A 15. A 16. D 17. B 18. C
19. C 20. C 21. C 22. C 23. A
24. C 25. C
26. A 27. C 28. A 29. B 30. B
31. B 32. A 33. D 34. D 35. B
36. A 37. D 38. D 39. A 40. B
41. B 42. C 43. C 44. D 45. C
46. C 47. C 48. C 49. B 50. A
www.toppers.com.ng
2016 JAMB BIOLOGY QUESTIONS
1.
Which
of
the
following
structures is a protective adaptive
4. Which of the following is NOT
part of the carbon cycle?
feature of the Agama Lizard to the
environment?
A. Organic carbon
B. Decomposition
A. Nuchal crest
C. Nitrates formation
B. Claws
D. Photosynthesis
C. Scaly skin
D. Gular fold.
5. I. Tissues
II. System
2. Which of the following adapts
III. Cell
an insect for feeding?
IV. Organs
A. suitable mouthparts
Which of the above is the level of
B. paired antennae
organization of a leaf?
C. segmented body
D. jointed appendages
A. IV
B. I.
3. Which of the following results
C. III.
from the cross between Yy and
D. II.
Yy?
6. In cellular respiration, energy
A. 2Yy-2yy
is stored in the form of
B. 2Yy:yy:YY
C. YY:2Yy:yy
A. heat energy
D. YY: Yy:2yy
B. adenosine diphosphate
C. adenosine monophosphate
D. adenosine triphosphate
www.toppers.com.ng
7. The principal organ for the
10. The rise and fall of ocean
manufacture of food in autotrophy
water during the day is referred
is the
to as
A. root hair
A. gravity
B. growing root
B. a pull
C. mature fruit
C. tide
D. green leaf
D. zone
8. A disease that results from lack
11. Which of the following is a
of iodine in the diet of humans is
producer in an aquatic habitat?
A. beriberi
A. Nymphaea
B. scurvy
B. Dryopteris
C. rickets
C. planarian
D. goiter
D. Similium
9. The process whereby some
12. The relationship that exist
organism with certain favourable
between a shark and Remora is
features get established in an
area is
A. parasitism
B. commensalism
A. gene mutation
C. saprophytism
B. dispersal
D. symbiosis
C. overcrowding
D. natural selection
13. I. Tissue
II. System
III. Cell
IV Organ
www.toppers.com.ng
The
correct
sequence
of
increasing level of complexity is
B. vitamin E.
C. vitamin B
D. vitamin C
A. IV-II-III
B. I-II-III-IV
17.
C. IV-III-I-II
atmospheric nitrogen to the soil
D. III-I-IV-II
are
14. Which of the following is not
A. putrefying bacteria
an inheritable disease?
B. nitrifying bacteria
Bacteria
which
add
C. nitrogen fixing bacteria
A. Poliomyelitis
D. denitrifying bacteria
B. Sickle-cell anaemia
C. Mental illness
18. The spines of the hedgehog is
D. Haemophilia
an adaptive features for
15. Which of the finger print types
A. Courtship
occur
B. defence
most
frequently
in
the
population of human beings
C. water conservation
D. obtaining food
A. Double-loop
B. Whorl
19.
C. Arch
carnivores is represented by
The
dental
formula
D. Loop
16.
Beriberi
deficiency of
results
from
A. I
,C
, pm
,m
B. I
,C
, pm
,m
C. I
,C
, pm
,m
a
A. vitamin A
www.toppers.com.ng
of
D. I
,C
23. Mammals requires roughage
,m
, pm
in their food to
20.
Which
of
the
following
instruments is used to measure
temperature?
A. provide energy
B. slow down aging
C. ease digestion
D. prevent disease
A. Thermometer
B. Hygrometer
24. Variation can occur among
C. Anemometer
offspring
D. Hydrometer
21.
In
human,
of
living
organism
because
puffiness
and
water retention in the body is a
possible symptom of
A. seeds are produced by selfpollination
B. zygotes are produced by cross
fertilisation
A. bladder malfunction
C. they are produced by binary
B. poor digestion
fission
C. kidney malfunction
D. they are produced without
D. obesity
fertilisation
22. The theory of evolution which
postulates
that
organisms
have
all
a
living
common
25. The most important biotic
factors which affect plants and
animals in the habitat are
ancestor was proposed by
A. temperature and rainfall
A. Linnaeus
B. Darwin
C. Lamarck
B. temperature and turbidity
C. salinity and relative humidity
D. rainfall and relative humidity
D. Mendel
www.toppers.com.ng
26.
The
lowest
unit
of
29.
The
cell
organelle
solely
classification is the
responsible for respiration is the
A. Kingdom
A. nucleus
B. class
B. nucleolus
C. phylum
C. endoplasmic reticulum
D. species
D. mitochondrion
27.
Two
important
process
involved in the absorption and
30. In which part of Nigeria are
Mangrove swamps found?
transport of materials in plants
A. Chad Basin
are
B. Niger Delta
A. flaccidity and turgidity
C. Benue Valley
B. diffusion and plasmolysis
D. Mambilla Plateau
C. plasmolysis and capillarity
31. The breeding methods that
D. osmosis and diffusion
are useful in selective breeding of
28. A series of organism existing
animals and plants are
in an ecosystem through which
energy is transformed
referred to as
can
be
A. inbreeding and cross- breeding
B. inbreeding and hetero-breeding
C. inbreeding and out-breeding
A. food cycle
D. inbreeding and self-breeding
B. food chain
C. pyramid on numbers
32.
In
a
small
D. food web
organism, diffusion is sufficient
for transport because
www.toppers.com.ng
unicellular
A. the surface area to volume
A. pressure and wind speed
ratio is small
B. temperature and wind speed
B. they have lungs for diffusion
C. pressure and rainfall
C. materials have to move over
D. Temperature and rainfall
long distance
D. the surface area to volume
36. I. Strong winds
ratio is large
II. high temperature
III. Dry and porous soils.
33. The function of the spinal cord
is to
Which
group
of
plants
are
specially adapted to grow under
A. stand the body structure erect
environmental
B. control involuntary actions
above?
conditions stated
C. transmit impulses to the brain
D.
regulates
developmental
changes
A. Thallophytic
B. Mesophytes
C. Xerophytes
34.
The
first
vertebrates
to
D. Hydrophytes
ventures out of water and lives on
37.
land are the
The
lowest
unit
of
a
biogeographical plant species is
A. Pisces
B. Amphibians
A. micro flora
C. Reptiles
B. macro fauna
D. Aves
C. micro fauna
D. macro flora
35. Which of the following factors
mostly
determine
biomes of the world.
the
major
38. Which of the following is rich
source of vitamin K?
www.toppers.com.ng
A. Tomato
B. protists
B. Guava
C. coelenterates
C. Milk
D. Anthropods
D. Onion
42.
Physiological
variation
in
39. Severe diarrhea, dehydration
human population is evidence in
and weakness are symptoms of
the
A. cholera
A. difference in the fingerprints
B. chickenpox
B.
C. malaria
individuals
D. yellow fever
C.
physical
differences
appearance
in
height
of
and
weight
40.
A
common
characteristic
D. ability to roll the tongue
found among the crustaceans is
the possession of
43. In photosynthesis, oxygen is
liberated during
A. a pair of antennae
B. a pair of walking legs on each
A. conversion of energy
segment
B. photolysis
C. four pairs of walking legs on
C. splitting of carbon (IV)oxide
the cephalothorax
D. glycolysis
D. two pairs of antennae
Use the information below to
41. In which of the following
answer the question 44 and
groups
45 that follows
of
invertebrates
are
flagella and cilia found
A. annelids
www.toppers.com.ng
The type vertebra represented in
44. What is the total height of rice
the diagram is
that grew within the years of
A. Atlas
cultivation?
B. Lumbar
C. Axis
A. 240 cm
D. Sacrum
B. 239 cm
C. 340 cm
47. The structure labeled I is
D. 339 cm
45. What is the average of the
heights of rice within the period of
A. Centrum
B. neural canal
C. neural spins
cultivation?
D. transverse process
A. 68cm
ANSWER KEYS:
B. 47.8cm
C. 48cm
1. C 2. A 3. C 4. C 5. A 6. D 7. D
D. 67.8cm
8. D 9. D 10. C 11. C 12. B 13.
46. Use the diagram below to
answer the question that follows
D 14. A 15. B 16. B 17. C 18. C
19. B 20. C 21. A 22. C 23. B
24. C 25. B
www.toppers.com.ng
26. A 27. D 28. D 29. C 30. D
31. B 32. C 33. D 34. C 35. B
36. D 37. C 38. A 39. D 40. A
41. D 42. B 43. D 44. B 45. B
46. B 47. B
Facebook Study Group
If you need an explanation to
any of the answers or you want to
download more past questions
for FREE.
Click to ENTER our Facebook
study group
www.toppers.com.ng
2017 JAMB BIOLOGY QUESTIONS
1.
The
piercing
and
sucking
mouth parts are found in
A.
locust,
camel,
lizard
and
snakes
B.
monkeys,
chameleon,
A. grasshoppers
earthworm and grasshopper
B. mosquitoes
C. monkeys, grasshopper, snail
C. termites
and snakes
D. cockroaches
D. lungfish, duck, butterfly and
lizards
2. The hormones that regulate
plant growth are
5. Suture joint is found in the
A. ethylene and auxins
A. hip
B. auxin and gibberellins
B. ankle
C. cytokinin and abscisic acid
C. skull
D. ethylene and gibberellins
D. elbow
3. Which of the following pair of
6. The organelle responsible for
organisms
osmoregulation in Paramecium is
exhibit
parasitic
association?
A. flame cell
A. insect and plant
B. nephridia
B. cattle and egret
C. contractile vacuole
C. shark and remora
D. Malpighian tubule
D. tsetse-fly and cattle
7. Use the diagram to answer
4. Which of the following group of
the question that follow
animals can withstand the rigour
of the arid land?
www.toppers.com.ng
10. When testing for the presence
of starch in a leaf, the reason for
dipping the decolourised leaf in
The
excretory
organ
of
an
hot water is to
earthworm is represented by
A. detect the starch
B. kill the leaf
A. IV
C. soften the leaf
B. I
D. remove the chlorophyll
C. III
D. II
11.
8. The platelets in mammalian
C. removing carbon (IV) oxide
D. destroying micro-organisms
9. The most important factor that
determines the different types of
C. temperature
D. rainfall
remora and shark can best be
B. amensalism
B. initiating clotting
B. wind
between
A. parasitism
A. transporting oxygen
A. light
relationship
described as
blood are responsible for
vegetation is
The
C. mutualism
D. commensalism
12. The major characteristic of a
fresh
water
possession of
A. high turbidity
B. high density
C. low salinity
D. high current
www.toppers.com.ng
habitat
is
the
13. The causative organism of
B. paramecium caudatum
cholera is
C. hydra viridis
D. onion bulb
A. Clostridium sp
B. shigella sp
17.
C. vibrio sp
reproduction is
The
simplest
form
of
D. salmonella typhi
A. conjugation
14. The process that takes place
B. budding
in
C. spore formation
the
dark
stage
of
photosynthesis is
D. binary fission
A. oxidation of water
18. Which of the following is a
B. photolysis of water
characteristic
C. oxidation of carbon (IV) oxide
flower?
of
wind-pollinated
D. reduction of carbon (IV) oxide
A. flowers lack nectar
15. Chlorofluorocarbons are air
B. flowers are conspicuous
pollutants that originates from
C. flowers have perianths
D. flowers are bisexual
A. crude oil refining
B. coal mining
19. Use the diagram to answer
C. motor vehicle exhaust
the question that follow
D. cooling system
16. Which of the following is
organ level of organisation?
The most eminent unit in terms or
water conservation is represented
A. Volvox sp
by
www.toppers.com.ng
A. IV
C. 12.5
B. I
D. 33.3
C. III
D. II
22. The presence of termites and
earthworms in soil promote
20.
The
process
required
for
formation of gamete in sexual
A. porosity and fertility
reproduction is
B. porosity and aeration
C. aeration and fertility
A. implantation
D. acidity and aeration
B. fertilisation
C. mitosis
23. In a 15m2 habitat, the total
D. meiosis
number of Tridax counted using a
1.6m2 quadrant thrown randomly
21.
In
an
experiment
to
determine the humus in a soil
50 times was 400. What is the
Tridax
sample the following results were
obtained
A. 12
B. 16
Mass of dish - 20g
C. 8
Mass of dry soil - 7.5g
D. 5
Mass of dish + soil after burning
= 25g
24. Which of the following is a
sex-link character?
The percentage of humus in the
given sample is
A. Dwarfism
B. Albinism
A. 9.1
C. Tongue rolling
B. 37.5
D. Colour blindness
www.toppers.com.ng
25. The outer-most tissue of the
A. obtain food
herbaceous roots is the
B. predators
C. secure mates
A. cuticle
D. escape detection
B. pericycle
C. epidermis
29. Which of the following is the
D. endodermis
most advance plant?
26. The respective tissues that
A. merchantia
transport water and manufactured
B. Dryopteris
food in plants are
C. Chlamydomonas
D. Spirogyra
A. xylem and phloem
B. phloem and tracheid
30. The soil type with the least
C. phloem and xylem
ability to retain nutrients is
D. xylem and tracheid
A. sandy loam
27. An adaptive feature of plants
B. clay loam
in the savanna is
C. loam
D. sand
A. fissured bark
B. few grasses
31. A humming bird is able to
C. tall trees
feed on nectar because its beak is
D. long lifespan
A. short, slender and ridged
28.
A
grasshopper's
cuticle
B. short, strong and conical
becomes green during the season
C.
and black after fire. The reasons
curved
for the change is ---
D. long, wide and slightly curved
long,
www.toppers.com.ng
slender
and
slightly
Use the diagram to answer the
35. The component of the cell
question that follow
that determines paternity resides
in the
A. centrosome
B. ribosome
32. The part labelled III acts as
C. nucleus
D. mitochondria
A. water outlet
36. Which of the following beak
B. food strainer
type is an adaption for aquatic
C. exchange surface
feeding?
D. blood transporter
33. The effect of overcrowding is
A. immigration
B. reduced competition
C. emigration
37. Use the diagram to answer
D. reduced mortality
the question that follow
34. The vertebrae that allows the
skull to nod and rotate are
A. axis and cervical
The part labelled II is the
B. atlas and thoracis
C. axis and atlas
A. arch
D. atlas and cervical
B. filament
C. slit
D. raker
www.toppers.com.ng
38. The insect-trapping by the
C. Group B can only donate to
leaves of Venus flytrap is an
blood group B and not to AB and
example of a
O
D. Group O can donate to groups
A. adaptive coloration
A, B and AB but cannot receive
B. structural adaptation
ANSWERS
C. environmental adaptation
D. behaviour adaptation
1. B 2. B 3. D 4. A 5. C 6. C 7. C
39.
Morphological
variation
in
humans include
8. B 9. D 10. C 11. D 12. C 13.
C 14. D 15. D 16. D 17. D 18. A
19. D 20. D
A. height, skin, colour and tongue
rolling
21. B 22. C 23. D 24. B 25. A
B. weight, finger prints and body
26. A 27. D 28. D 29. D 30. D
shape
31. C 32. C 33. C 34. C 35. C
C. height, weight and blood group
36. B 37. D 38. B 39. B 40. D
D. skin colour, blood and height
40. Which of the following is
correct about blood transfusion?
A. Group AB can only receive
from groups A and B and not from
group O
B. Group O can receive from
groups A and B and from AB
www.toppers.com.ng
2018 JAMB BIOLOGY QUESTIONS
1. A group of closely related
3. The cytoplasm of the cell is
organisms
considered
capable
of
interbreeding to produce fertile
a
very
important
component because it
offspring are known as members
of a
A. regulates the amount of energy
in the cell
A. kingdom
B. suspends all cell organelles
B. class
C. is the outermost part of the cell
C. family
D. is solely responsible for cell
D. species
division
2.
A
beaker
containing
of
few
pond
water
specimens
of
Use
the
diagram
below
to
answer question 4 to 6
Euglena was placed in a dark
room for two weeks. At the end of
this
period,
the
specimens
of
Euglena were still alive because
they were
A. able to
carry out holozoic
4. After an hour, the level of
nutrition
B.
able
to
photosynthesis
carry
using
out
carbon
A. rise
dioxide in the pond water
C.
better
adapted
to
life
darkness than to life in light
D. not overcrowded
water in the thistle funnel will
in
B. fall
C. remain the same
D. double
www.toppers.com.ng
5. The experiment is used to
A. hydrotropism
demonstrate the process of
B. geotropism
C. Phototropism
A. transportation
D. thigmotropism
B. water culture
C. diffusion
9.
D. Osmosis
glycolysis can be summarised as
6. In a plant cells, the role of the
A. C6H12O5 --C3H4O3 + 4H + ATP
membrane is played by the
B. C6H12O6 ---- 2CH4O3 + 4H +
The
overall
reaction
in
2ATP
A. nucleolus
C. C6H12O6---> 2CH4O3 + 4H
B. cell wall
+ ADP
C. cytoplasm
D. C6H12O6 2C3H4O3+ 4H +
D. mitochondrion
2ADP
7. Red blood cells were found to
10. The longest bone in the body
have
is the
burst
open
after
being
placed in distil for an hour. This
phenomenon is known as
A. humerous
B. femur
A. plasmolysis
C. scapula
B. diffusion
D. tibia
C. haemolysis
D. wilting
11.
Which
structures
8. The curvature movement of
material?
plants in response to the stimulus
of water is called
A. Chitin
www.toppers.com.ng
of
is
the
not
following
a
skeletal
B. Cartilage
14.
C. Bone
features is not a characteristic of
D. Muscle
arteries? Arteries
12. The reason why the flow of
A. possess values at internals
blood through the capillaries is
throughout their length.
very slow is
B. have thick muscular and elastic
Which
of
the
following
walls
A. because the walls of capillaries
C. carry blood away from the
are very thin
heart
B. to avoid high — blood pressure
D.
C. to ensure that the individual
with
does not get dizzy
pulmonary artery.
transport
the
oxygenated
exception
blood
of
the
D. to allow adequate time for
The graph below shows the
exchange of materials
results
of
a
laboratory
13. Which of the following groups
investigation which measured
of organisms has kidney as their
the body temperatures of a
excretory organ?
lizard
and
a
bird
under
changing artificial conditions.
A. Fishes, amphibians, birds, man
B. Fishes, amphibians, annelids,
insects
C.
Fishes,
reptiles,
birds,
tapeworms
D. Fishes protozoans, amphibians,
man
www.toppers.com.ng
15.
Which
of
the
statements
below is valid?
17. The reason why hospitals use
saline solutions as drip instead of
water is
A. The bird's blood was always
warmer than that of the lizard.
A. because salt is a preservative
B. The body temperature of the
B. to prevent contamination of the
bird varied less than that of the
body
lizard
C. to maintain the composition of
during
changes
in
environmental temperature.
body fluids
C. The body temperature of the
D. to increase the number of
bird remained constant despite
blood cells
changes
in
environmental
temperature.
18. The part of the ear which
D. The body temperature of the
contains nerve cells sensitive to
lizard was always close to that of
sound vibrations is the
the environmental temperature.
A. cochlea
16. What physiological term can
B. ampulla
be used to describe the regulation
C. tympanum
of the body temperature of the
D. malleus
lizard?
19. Spectacles with convex lenses
A. Homeostasis
correct long-sightedness by
B. Homeothermy
C. Poikilothermy
A.
D. Osmoregulation
before they enter the eye
converging
the
Light
rays
B. diverging the light rays before
they enter the eye
www.toppers.com.ng
C. reducing light intensity before
D. oxygen cycle
it enters the eye
D. increasing light intensity before
23. What is the critical limiting
it enters the eye
factor for plants below the photic
zone in an aquatic ecosystem?
20. A seed of a flowering plant
can best be described as
A. Availability of nutrients
B. Availability of water
A. radicle and plumule
C. intensity of light
B. the developed ovule
D. Carbon dioxide concentration
C. the embryo and endosperm
D. developed ovary
24.
Which
of
the
following
instruments is used to estimate
21.
Which
of
the
following
the number of plants in a habitat?
processes removes carbon from
the atmosphere?
A. Pooter
B. Pitfall trap
A. Putrefaction
C. Quadrat
B. Photosynthesis
D. Sweep net
C. volcanic eruption
D. Burning fuels
25.
Which
of
the
following
statements is true about sandy
22. Which of the following cycles
involves
the
process
precipitation and transpiration?
soil? It
of
A. has limited air space
B. is light and easy to dig
A. Water cycles
C. drains slowly
B. Carbon cycle
D. is heavy and poorly aerated
C. Nitrogen cycle
www.toppers.com.ng
26.
Which
of
the
following
organisms is a primary consumer?
C. is a producer as well as a
consumer
D. is a secondary consumer
A. Dog
B. Sheep
29.
C. Grass
diseases is not hereditary?
Which
of
the
following
D. Fungus
A. Albinism
Study the diagram of a food
B. Scabies
chain shown below and use it
C. Haemophilia
to answer question 27 and 28.
D. Colour blindness
P→Q→R→S→T
30. The immediate product of
meiosis in flowering plants is the
27. The organism designated P in
the food chain above is normally
A. sporophyte
sustained by energy from
B. gametophyte
C. zygote
A. sunlight
D. pollen grains
B. carbohydrates
C. green plants
31. DNA in eukaryotic cells is
D. mineral salts
contained in the
28.
Which
statements
of
best
the
following
describes
organism designated R? It
the
A. central vacuole
B. nucleus
C. lysosome
D. golgi body
A. feeds on S.
B. is a primary consumer.
www.toppers.com.ng
32. A man who is heterozygous
B. diurnal animal
for
C. terrestrial animal
the
disease
haemophilia
marries a woman who is double
D. homoatomic animal
recessive for haemophilia. What
percentage
of
their
offspring
35. Evidence of evolution include
would have the disease?
the following except
A. 0%
A. fossil records
B. 25%
B. comparative anatomy
C. 50%
C. mutation of genes
D. 75%
D.
geographical
distribution
of
organisms
33. Cytokinesis of mitosis is a
process that ensures that
Use
the
diagram
below
to
answer question 36 and 37.
A. each daughter cell gets the
necessary organelle
B.
there
is
distribution
of
a
complete set of genes into each
daughter cell.
C.
daughter
cells
inherit
new
genetic combinations.
D.
worn
out
organelles
are
excluded from daughter cells
36. The diagram shows that the
organisms are
34. An animal which is active
during the day is known as a
A. hermaphrodite
B. viviparous
A. nocturnal animal
C. oviparous
D. ovoviparous
www.toppers.com.ng
37.
The
illustrated
breeding
in
the
posture
diagram
is
40. The flippers of a whale and
the fins of a fish are examples of
known as
A. divergent evolution
A. mating
B. coevolution
B. amplexus
C. continuous variation
C. courtship display
D. convergent evolution
D. reproductive swimming
ANSWER KEYS
38. An accurate identification of a
rapist can be carried out by it
1. D 2. A 3. B 4. A 5. D 6. B 7. C
conducting a
8. A 9. B 10. B 11. D 12. D 13.
A 14. A 15. C 16. C 17. A 18. A
19. A 20. B
A. RNA analysis
B. DNA analysis
C. blood group test
21. B 22. A 23. C 24. C 25. B
D. behavioural traits test
26. B 27. A 28. D 29. B 30. D
31. B 32. C 33. B 34. B 35. D
39.
A
boy
who
is
fond
of
36. C 37. A 38. B 39. A 40. A
swimming in a pond finds himself
passing urine with traces of blood.
He is likely to have contracted
A. schistosomiasis
B. onchocerciasis
C. poliomyelitis
D. salmonellosis
www.toppers.com.ng
APPRECIATION
If you found these past questions helpful, here are some ways
you can contribute to the exam success of other TOPPERS:
 Correct an error in this past question
 Update this past question
 Submit a past question for another subject
Are you interested in contributing?