EOCT
Review
Biology
2010
30 Questions
Mrs. McClain
1
What does the line graph below show?
A.
The population increased at a constant rate
B.
The population increased rapidly and then leveled off
C.
The population increased at an exponential rate
D.
Ecosystems are able to support any number of species
2
Mitosis occurs
A. Only in gamete cells
B. In somatic cells (body cells)
C. Only when an organism makes
repairs to cells
D. As part of active transport
3
All the populations of organisms that inhabit
the same area at the same time make up:
A. A community
B. An ecosystem
C. A biome
D. A biosphere
4
The substance labeled “catalyst”
also is known by what other name?
A. Antibody
catalyst
catalyst
B. Lipid
C. Enzyme
D. Inorganic compound
catalyst
5
Down syndrome is the result of an extra
chromosome 21 in a gamete.
What caused this to happen?
A. Nondisjunction
B. Telomeres
C. Environment
D. Chromosome inactivation
6
If a cell is placed in a highly concentrated glucose
solution, water will leave the cell by
A. Osmosis
B. Exocytosis
C. Active Transport
D. Facilitated diffusion
7
The equation below represents a biological
process. Where is this process completed?
A. Nucleus
B. Mitochondria
C. Cell membrane
D. Chloroplasts
8
A mimosa plant has the ability to fold its
leaves when they are touched. This
response is an example of:
A. geotropism
B. phototropism
C. thigmotropism
D. hydrotropism
9
What does the pyramid of biological
magnification shown below illustrate?
A. Higher trophic
carnivores eat very little
food
B. Toxic substances
increase as tropic levels
increase in a food chain
C. Acid precipitation
destroys underwater
habitats
D. The process of
eutrophication destroys
underwater habitats
10
Why are the structures shown below considered
to be homologous?
A. They belong to organisms that evolved
from separate ancestors
B. They are the result of geographic isolation
C. They belong to organisms that probably
evolved from a common ancestor
D. They are the result of sympatric speciation
11
A single strand of DNA with the
base pairing sequence C G A T T G
is compatible only with the
sequence:
A. T A G C C T
B. G C T A A G
C. G C T A A C
D. C G A T T G
12
What happens to the total amount of
energy as it flows through a food chain?
A. It remains the same
B. It increases
C. It decreases
D. It increases and then decreases
13
The cell theory states that:
A. Living things are made of cells
B. Cells come from other living cells of
the same kind
C. Cells are the basic unit of all living
things
D. All of the above
14
Which organelle is the site of protein
synthesis?
A. Ribosome
B. Mitochondria
C. Nucleus
D. Cell membrane
15
Which of the following kingdoms does NOT
contain any heterotrophs?
A. Protista
B. Animalia
C. Plantae
D. Fungi
16
Why are eugelnoids classified with
plantlike protists? (picture gives you a clue!)
A.
They form pseudopods
B.
They contain chloroplasts and undergo
photosynthesis
C.
They have a nucleus surrounded by a membrane
D.
They have a flagellum
17
In the nitrogen cycle, nitrogen is continuously
recycled. Which type of organism break down
nitrogen compounds in dead organisms and
recycle them into the soil?
A. Bacteria
B. Heterotrophs
C. Green plants
D. Herbivores
18
The scientific name for the African elephant is
Loxodonta africana. Which is the species name?
A. Loxodonta
B. africana
C. Homo sapien
D. African elephant
19
What is released at each level
of pyramid of energy?
A. Animals
B. Decomposers
C. Heat
D. Plants
20
Which class of macromolecule store and
communicate genetic information?
A. Carbohydrate
B. Lipid
C. Proteins
D. Nucleic acids
21
Which processes of organisms are
involved in the carbon cycle?
A. Runoff & precipitation
B. Combustion & precipitation
C. Nitrogen-fixing & photosynthesis
D. Photosynthesis & respiration
22
Which role do bacteria play in the
illustration shown below?
A. Cause disease
B. Recycle nutrients
C. Produce medicines
D. Produce foods
23
According to the energy pyramid below, which
organisms are the primary consumers?
A. Eagle
B. Grass
C. Snakes
D. Mice
24
What do DNA and RNA have in
common?
A. Both are double stranded
B. Both contain ribose molecules
C. Both contain phosphate groups
D. Both contain uracil
25
You suspect that a chemical that you are
testing in the lab is strongly acidic.
What might be its pH?
A. 2
B. 7
C. 11
D. 14
26
A molecule of DNA is made up of __.
A. Amino acids & proteins
B. ATP & enzymes
C. Paired nucleotides
D. Receptor enzymes
27
What are the structures labeled A on the
paramecium?
A. Contractile vacuoles
B. Oral grooves
C. Food Vacuoles
D. Cilia
A
28
How is the illustration below interpreted by many scientists?
A.
B.
Mitochondria & chloroplasts were once prokaryotes
Prokaryotes ate mitochondria only
C.
D.
Prokaryotes cells evolved from eukaryotes
Prokaryotes have a nucleus
29
Which is a product of photosynthesis?
A. ATP
B. Glucose
C. Water
D. Carbon dioxide
30
Identify the process that is taking place in
the illustration below.
A. Binary fission
B. Meiosis
C. Endospore formation
D. chemosynthesis
The End