EOCT Review

1
EOCT Review

• Biology
• 2010

30 Questions
Mrs. McClain
2
What does the line graph below show?
1

1. The population increased at a constant rate
2. The population increased rapidly and then leveled
   off
3. The population increased at an exponential rate
4. Ecosystems are able to support any number of
   species

3
Mitosis occurs
2

1. Only in gamete cells
2. In somatic cells (body cells)
3. Only when an organism makes repairs to cells
4. As part of active transport

4
All the populations of organisms that inhabit the
same area at the same time make up
3

1. A community
2. An ecosystem
3. A biome
4. A biosphere

5
The substance labeled catalyst also is known by
what other name?
4

1. Antibody
2. Lipid
3. Enzyme
4. Inorganic compound

catalyst
catalyst
catalyst
6
Down syndrome is the result of an extra
chromosome 21 in a gamete. What caused this to
happen?
5

1. Nondisjunction
2. Telomeres
3. Environment
4. Chromosome inactivation

7
If a cell is placed in a highly concentrated
glucose solution, water will leave the cell by
6

1. Osmosis
2. Exocytosis
3. Active Transport
4. Facilitated diffusion

8
The equation below represents a biological
process. Where is this process completed?
7

1. Nucleus
2. Mitochondria
3. Cell membrane
4. Chloroplasts

9
A mimosa plant has the ability to fold its leaves
when they are touched. This response is an
example of
8

1. geotropism
2. phototropism
3. thigmotropism
4. hydrotropism

10
What does the pyramid of biological magnification
shown below illustrate?
9

1. Higher trophic carnivores eat very little food
2. Toxic substances increase as tropic levels
   increase in a food chain
3. Acid precipitation destroys underwater habitats
4. The process of eutrophication destroys underwater
   habitats

11
Why are the structures shown below considered to
be homologous?
10

1. They belong to organisms that evolved from
   separate ancestors
2. They are the result of geographic isolation
3. They belong to organisms that probably evolved
   from a common ancestor
4. They are the result of sympatric speciation

12
A single strand of DNA with the base pairing
sequence C G A T T G is compatible only with the
sequence
11

1. T A G C C T
2. G C T A A G
3. G C T A A C
4. C G A T T G

13
What happens to the total amount of energy as it
flows through a food chain?
12

1. It remains the same
2. It increases
3. It decreases
4. It increases and then decreases

14
The cell theory states that
13

1. Living things are made of cells
2. Cells come from other living cells of the same
   kind
3. Cells are the basic unit of all living things
4. All of the above

15
Which organelle is the site of protein synthesis?
14

1. Ribosome
2. Mitochondria
3. Nucleus
4. Cell membrane

16
Which of the following kingdoms does NOT contain
any heterotrophs?
15

1. Protista
2. Animalia
3. Plantae
4. Fungi

17
Why are eugelnoids classified with plantlike
protists? (picture gives you a clue!)
16

1. They form pseudopods
2. They contain chloroplasts and undergo
   photosynthesis
3. They have a nucleus surrounded by a membrane
4. They have a flagellum

18
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?
17

1. Bacteria
2. Heterotrophs
3. Green plants
4. Herbivores

19
The scientific name for the African elephant is
Loxodonta africana. Which is the species name?
18

1. Loxodonta
2. africana
3. Homo sapien
4. African elephant

20
What is released at each level of pyramid of
energy?
19

1. Animals
2. Decomposers
3. Heat
4. Plants

21
Which class of macromolecule store and
communicate genetic information?
20

1. Carbohydrate
2. Lipid
3. Proteins
4. Nucleic acids

22
Which processes of organisms are involved in the
carbon cycle?
21

1. Runoff precipitation
2. Combustion precipitation
3. Nitrogen-fixing photosynthesis
4. Photosynthesis respiration

23
Which role do bacteria play in the illustration
shown below?
22

1. Cause disease
2. Recycle nutrients
3. Produce medicines
4. Produce foods

24
According to the energy pyramid below, which
organisms are the primary consumers?
23

1. Eagle
2. Grass
3. Snakes
4. Mice

25
What do DNA and RNA have in common?
24

1. Both are double stranded
2. Both contain ribose molecules
3. Both contain phosphate groups
4. Both contain uracil

26
You suspect that a chemical that you are testing
in the lab is strongly acidic. What might be
its pH?
25

1. 2
2. 7
3. 11
4. 14

27
A molecule of DNA is made up of __.
26

1. Amino acids proteins
2. ATP enzymes
3. Paired nucleotides
4. Receptor enzymes

28
What are the structures labeled A on the
paramecium?
27

1. Contractile vacuoles
2. Oral grooves
3. Food Vacuoles
4. Cilia

A
29
How is the illustration below interpreted by many
scientists?
28

1. Mitochondria chloroplasts were once prokaryotes
2. Prokaryotes ate mitochondria only
3. Prokaryotes cells evolved from eukaryotes
4. Prokaryotes have a nucleus

30
Which is a product of photosynthesis?
29

1. ATP
2. Glucose
3. Water
4. Carbon dioxide

31
Identify the process that is taking place in the
illustration below.
30

1. Binary fission
2. Meiosis
3. Endospore formation
4. chemosynthesis

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The End