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rEsr coDE 01207010
JANUARY 2OI7
FORM TP 2017001
CARIBBEAN EXAMINATIONS COUNCIL
CARrBBEAN sEc ol\IBfxr[,R#cdrloN CERrrFrcArE@
BIOLOGY
PaPer 01 - General ProficiencY
I hour 15 mtnutes
18 JANUARY 2017
READTI{EFoLLowINGINSTRUCTIoNSCARE,FULLY.
H
I hour and l5 minutes to answer them'
1
This test consists of 60 items. You witl have
2.
In addition to this test booklet, you should have
3
lettered (A)' (B)' (c)'
Each item in this test has four suggested answers
choice is best'
item you are about to answer and decide which
4.
corresponds to your item and shade the space
On your answer sheet, find the number which
chosln' Look at the sample item below'
having the same letter as the answer you have
an answer sheet'
(D)' Read each
Sample Item
Which of the following diseases is due to
a dietary deficiencY?
(A)
(B)
(c)
(D)
Sample Answer
@@
Malaria
Diabetes
lnfluenza
Anaemia
oo
Thebestanswertothisitemis..Anaemia'',so(D)hasbeenshaded.
5.
6.
If you want to change your answer' erase it completely
7.
Figures are not necessarily drawn to
work as-quickly and as carefullY aS you can'
When you are told to begin, turn the page and
may return to that item later'
If you cannot answer un it"*, go on to'the next one' You
scale'
DO NOT TURN TIIIS PAGE UNTIL
ffi
before you fill in your new choice'
isp
YOU ARE TOLD TO DO SO'
Copyright @ 2016 Caribbean' Examinations
All rights reserved'
Cou ncil@
SysTools PDF Watermark Demo Version
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-2Which of the following features is used
to classify a group of organisms as Class
1
3.
affected by abiotic factors which determine
where they become established. Which
of the fottowing describes some of these
determining factors?
Insecta?
(A)
(B)
Size
(c)
Colour
Number of segments
(D)
Living organisms, such as plants, are
Shape
relationship between a
(A)
(B)
(c)
(D)
Parasitism, commensalism,
(B)
Sunlight availabilitY, soil PH,
(c)
minerals
Sediment size, shaPe and colour
(D)
Deforestation, slash and burn,
mutualism
Commensalism is' illustrated by the
2.
(A)
shifting cultivation
dog and aflea
hen and a chick
cow and an egret
human and a mosquito
Bacteria play an important role in the
cycling of nitrogen. Which ofthe following
organisms is NOT a part of this cycle?
4
(A)
(B)
Nitrobacter
(c)
Rhizobiunt
(D)
Nitrosomonas
Streptococcus
Item 5 refers to the following diagram.
Eeat
Eeat
Producers
Consumers
Inorganic
nufient
pool
IIeat
5.
Energy flow through ecosystems is not 100% efficient. This is so because
P1r
(c)
tinear, moving from one organism to the next
circular, moving in and out of organisms
lost through respiration and excretion
(D)
recycled from plants to the atmosphere
(A)
(B)
a
energy is
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-3Items 6-7 refer to the following food chain
8.
freshwater habitat.
(A)
(B)
(C)
(D)
* Small-+ Large
Lawa Fish Fish
Microscopic + Mosquito
Alga
6
The organism to which the LEAST amount
of energy is available is the
(A)
(B)
Rising sea levels
Ocean acidification
Increased greenhouse gases
Increasedglobaltemperatures
large fish
smallfish
mosquito larva
microscopic alga
(c)
(D)
7
Which of the following effects of climate
change pose the GREATESTthreatto small
islands?
which shows the feeding relationships in a
The GREAIEST number of individuals in
the food chain would be the
(A)
(B)
(C)
(D)
large fish
smallfish
mosquito larva
microscopic alga
fiem !refers to the following graph of population growth.
T
3
2
0
E
4
at,
EI
6l
hD
li
o
c
L
(l)
E
z
1
Time
i?p
9
a
ffi
Phase 4 of the graph of population growth is MOST likely due to
(A)
(B)
(C)
(D)
disease resistance
high natural birth rates
adequate food and space
competitiorr from invasive species
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-410.
Which of the following statements about
reoycling manufactured materials are true?
I.
14.
(A)
(B)
(C)
(D)
Less energy is used in the
manufacturing of new products
by using the raw materials from
U.
m.
recycled products.
recycled.
Recycling of some non-
15
The chemical equation for photosynthesis
shown below is incomplete.
materi als prevents
landfill sites from filling up too
quickly and for a long time.
11
release of energy
absorption of oxygen
liberation of carbon dioxide
breakdown of carbohydrates
All manufactured products can be
b iodegradaple
(A)
(B)
(C)
(D)
The role of respiration is the
t and tl only
I and III only
II and III only
X+6H2O-CuH,rQ+Y
Which ofthe following combinations would
accurately complete the equation?
XY
I,II and III
60,
(A)
(B)
6CO2
60,
6CO2
Which of the following are effects of
(c)
o2
CO,
pollutants on coral reefs in the Caribbean?
(D)
CO,
o2
I
Increase in macroalgal and seagrass
growth
II.
m.
Less reeffish
More branching corals
(A) I and II only
(B) I and III only
(C) II and III only
(D) I,II and III
12.
Which of the following organelles in a cell
is the site of aerobic respiration?
(A)
(B)
(C)
(D)
13.
Nucleus
Cytoplasm
Chloroplast
Mitochondrion
Which of the following is caused by a lack
ofMtaminA in the diet?
(A)
(B)
Rickets
(c)
Scurvy
Beri-beri
(D)
Night blindness
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-5Items 17-18 referto the followingdiagram.
Item 16 refers to the following diagrams of
different structures taken from plants and
Cucumber
Concentrated
salt solution
animals.
I.
e e e
Water
17.
u.
The process being investigated is
(A)
osmosis
(B)
diffusion
(c)
translocation
active transport
(D)
t8
Which diagram BEST illustrates the
levels of the liquids if the apparatus is left
undisturbed for one hour?
m.
(A)
Iv.
(B)
16.
Which of the above structures is NOT a
tissue?
(A)
(B)
(c)
(D)
I
I
(c)
III
IV
(D)
19.
Which of the following is NOT necessary
for photosynthesis to take place?
(A)
(B)
(C)
(D)
ffi
Water
EnergY
Oxygen
CholoroPhYll
SysTools PDF Watermark Demo Version
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-620.
A greenhouse plant which is usually kept
at a temperature of 25 oC is subjected to
a temperature of 30 "C for 24 hours. The
MOST likely effect of this change is that
23.
large amounts of
(A)
(B)
(C)
(D)
the plant would
(A)
(B)
(c)
(D)
lose less water and wilt
close the stomata and reduce water
loss
lose more waterand becometurgid
open the stom-afp and increase water
loss
The diet of a body builder should contain
24.
protein
vitamins
carbohydrate
Which of the following is the BEST
defi nition for excretion?
(A)
(c)
Loss of excess materials
Loss of indigestible materials
Removal of metabolic wastes
(D)
Removal of unwanted substances
(B)
Items?l-Z2 refer to the following diagram
of a section through an incisor tooth.
I
II
fat
25.
Which of the following enzymes works
BEST in an acid pH?
m
(A)
(B)
(C)
(D)
TV
Jawbone
Pepsin
Lipase
Trypsin
Amylase
Gum
26.
Carbon monoxide in cigareftes MOST likely
causes
(A)
21.
The region of the tooth sensitive to
(B)
temperature is labelled
(c)
(A)
I
(D)
(B)
II
(c)
(D)
22.
II
increased beating of cilia
an increase in heart rate
adecrease in oxygen transported by
the blood
increased mucus production in
the cells lining the respiratory
passages
Iv
27
The region labelled IV is the
In the transport of solutes in the phloem,
the source is defined as any area ofthe plant
where
(A)
root
(B)
cement
dentine
enamel
(c)
(D)
(A)
(B)
(c)
(D)
water is taken out of the phloern
sucrose is loaded into the phloem
water is loaded into the phloem
sucrosdfi loaded into the phloem
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-7 28.
Item 32 refers to the following actions.
Which ofthe following parts of the human
skeleton contributes the LEAST to its
protective function?
I.
Withdrawal of an earthworm into
its burrow when touched
(A)
(B)
Rib
Cranium
II.
Bending of shoots towards light
III.
Rolling up of a millipede when
(c)
Humerus
(D)
Pelvic girdle
IV.
Movement of maggots away from
touched with a needle
light
Item 29 refers to the fqll.owing diagram of
32.
All of these actions are examples of
a synovialjoint.
I
(A)
stimuli
(B)
responses
(c)
locomotion
groMh movements
(D)
II
m
Item 33 refers to the following events that
occur when a student reacts to touching a
hot object by withdrawing her hand.
IV
Hot object +Pain +Effector +Response
29
Which of the labelled parts represents the
33.
ligament?
(A)
(B)
I
II
(c)
III
IV
(D)
30.
31.
(A)
(B)
(C)
(D)
Which of the following are involved in the
formation of blood clots?
(A)
(B)
The receptor is the
Platelets
(c)
Antibodies
Lymphocytes
(D)
Phagocytes
34.
hot object touched
heatfrom thehotobject
sensory endings in the skin
muscles that contract
Fats are good food reserves because they
(A)
(B)
(C)
(D)
are easily digested
have a high energy value
melt at low temperatures
are more bulky than other foods
Large organisms cannot depend solely on
diffusion for the uptake and transport of
gases. This is because as organisms get
larger the
(A)
increases
(B)
surface area to volume ratio
(C)
surface area and the volume both
a
ffi
surface area to volume ratio
(D)
decreases
increase
surface area and the volume both
decrease
iBp.
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-8!@!5.refers to the following diagram of
Which of the following is true about how
the muscles ofthe iris respond to dim light?
38.
a heart.
CircularMuscle RadialMuscle
tr
(A)
(B)
Contracts
Contracts
Contracts
Relaxes
(c)
Relaxes
Contracts
(D)
Relaxes
Relaxes
I
39.
35
(c)
(D)
40.
left atrium
Ieft ventricle
semi-lunar valve
bicuspid (mitral) valve
(B)
(c)
(D)
36.
(A)
(B)
In a patient with a certain defective heart
condition, it was found that blood flowed
from Point I to Point II in the diagram
above. This was MOST likely due to
malfunction of the
(A)
Which of the following is a spinal reflex?
Blinking
Salivating
Pupilreflex
Knee jerk reflex
Which of the following is NOT a
distinguishing feature of the nervous
system?
(A)
(B)
(C)
(D)
Which of the following comparisons
Rapid response
Localized rcaction
Long-lasting effect
Temporary response
betrveen arteries and veins is NOT correcP
Arteries
Veins
(A) Valves present
Valves absent
(B) Blood flows in pulses
Blood flows smoothly
(c) Have thick muscular
Have thin walls
walls
(D) Blood low in carbon
dioxide
Blood high in carbon
dioxide
Item 41 is based on the following graph
which shows the height of some students
in a class.
Number
of
students
37. Glaucoma is a result of
(A)
(B)
(C)
(D)
the cornea being too thin
the cornea being too thick
the lens becoming opaque
(D)
Height
too much fluid in front of the lens
41.
Which labelle.d portion of the graph
represents the unusually SHORT students?
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-942.
The following statements describe the
processes taking place within a seed during
46.
Pollination is the process by which pollen
is transferred from the
germination.
(A)
II
Embryo uses food to develop
(B)
radicaland plumule.
Enzymes break down proteins into
amino acids.
Soluble products move into the
(c)
(D)
anther to the stigma
stigma to the anther
stamen to the ovary
pistil to the anther
Items 47-48 refer to the following diagram
of the uterus of a pregnant woman.
embryo.
Which of the following correctly identifies
the sequence of events during the
germination of the seed?
A
(A)
(B)
(c)
(D)
43.
I+ll+lll
I + III --+ II
II+l+lll
II+lll+l
producesdisease-resistantcrops
Which labelled structure is the
47.
amnion?
48.
placenta?
49
transferred by
Which of the following organisms transmits
the yellow fever virus?
(A)
(B)
water
birds
(A)
(B)
Culex
(c)
wind
(c)
Anopheles
(D)
insects
(D)
Aedes aeglpti
produces greater numbers of
Pollen grains which are small, light,
odourless and smooth are MOST likely
Tsetse
Which of the following is NOT necessary
for germination to take place?
(A)
(B)
(C)
(D)
ffi
D
is conservative
leads to variation
offspring
45.
c
One advantage that sexual reproduction
has over asexual reproduction is that sexual
reproduction
(A)
(B)
(C)
(D)
44
B
Light
Oxygen
Moisture
Food supply
iutr
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- l0s0.
51.
Which ofthe following methodscan be used
in the treatment of hypertension?
blood groups A, B, AB and O. Which of
the following represents the genotypes of
the parents?
Diet
Low sodium intake
(A)
(B)
(A)
(B)
(C)
(D)
I and II only
I and III only
II and III only
I, II and lll-..--
(c)
Exercise
(D)
55.
Which of the following statements about
meiosis is NOT true?
Mixing of genes occurc.
Produces four daughter cells.
Chromosomenumberismaintained.
Occurs only in the sex organs.
The gene for coat colour in cattle shows
incomplete dominance. A purebred cow,
with red coat, mates with a purebred bull
with white coat. All of the offspring have
roan coat. Which of the following would
represent the genotype ofthe offspring?
56.
ABxOO
AOxBO
AAxBO
AOXBB
Variation in populations is due to
I.
mutation
II.
III.
asexual reproduction
crossing over
(A)
(B)
(C)
(D)
I and [I only
I and III only
II and III only
[,II and lll
In a particular plant, red and white
flower colour show codominance. If two
heterozygous (pink) flowers are crossed, the
expected phenotypic ratio of the offspring
is
(A)
(B)
(c)
RR
RW
RO
(c)
allpink
I red: I white
3 red: I white
(D)
ww
(D)
I red:2 pink: I white
(A)
(B)
53.
Four children bom to the same parents have
I.
II.
IU.
(A)
(B)
(C)
(D)
52.
54.
Which of the following processes may be
used by humans to change thecharacteristics
of a particular organism in a short time?
T.
II
III
(A)
(B)
(C)
(D)
Genetic engineering
Artificial selection
Natural selection
57
Which of the following features of cell
division refers to mitosis?
(A)
It is essential for variety within a
(B)
It results in the haploid number of
(c)
It takes place in reproductive
(D)
structures.
The amount of genetic material in
the cells remains the same.
species.
chromosomes.
I only
I and III only
II and III onlY
I, il and III
fip
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- ll 58.
Which of the following statements BEST
describes a chromosome?
(A)
(B)
60.
Two forms ofthe same gene
Structure made upofDNAwrapped
Natural selection differs from artificial
selection because in natural selection
(A)
(B)
around histones
(C)
Nucleic acid that contains all
(D)
Part of the DNA which carries
genetic information
(c)
(D)
the process is faster
the environment determines tlre
benefi cial characteristics
non-random mating is involved
humans determine the individual
with the beneficial trait
genetic information to produce
a protein
59
A species is BEST defined as a group of
organisms that
(A)
(B)
(C)
(D)
cannot interbreed
are physically iimilar
can interbreed and produce many
offspring
can interbreed and produce fertile
offspring
END OFTEST
IFYOU FINISH BEFORE TIME IS CALLED, CmCKYOUR WORK ON TIIIS TEST.
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