AnswersDCSS Biology CR 24-25Cumulative Exam

Cumulative Exam — Cumulative exam Answers

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The lava released by a volcanic eruption separates two populations of a species of monkey. What does this represent?

A
biological isolation
B
geographical isolation
C
temporal isolation
D
anatomical isolation
3
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Which is most likely a source of air pollution?

A
littering
B
CFCs
C
oil spill
D
runoff
4

Which organisms in the chart can produce ATP by photosynthesis?OrganismCells contain chloroplastsAlgaeXAmoebas Mushrooms Oak treesXBermuda grassX

A
All of these organisms produce ATP by photosynthesis.
B
None of these organisms produce ATP by photosynthesis.
C
Only amoebas and mushrooms produce ATP by photosynthesis.
D
Only algae, oak trees, and Bermuda grass produce ATP by photosynthesis.
5

The overall population of a species decreased. What could have occurred to make this happen?

A
The immigration rate increased, while the death rate decreased.
B
The birth rate decreased, while the death rate increased.
C
The carrying capacity increased, while the immigration increased.
D
The emigration increased, while the birth rate increased.
6

The graph below shows the light absorbance of two kinds of chlorophyll.Which color of light does chlorophyll b absorb more of than any other color?

Question illustration
A
red
B
yellow
C
green
D
blue
7

Which term refers to a solution with a higher solute concentration outside the cell than inside the cell?

A
hypertonic
B
hypotonic
C
equitonic
D
isotonic
8

Which best describes what happens to ATP during photosynthesis?

A
ATP is produced and then used to produce glucose.
B
ATP is broken down and then not used again.
C
ATP is formed and remains unchanged in the chloroplast.
D
ATP is changed to ADP and then moved to the cytoplasm.
9

Which virus is correctly matched with its structure?

A
HIV—helical shape
B
polio—polyhedral shape
C
Ebola—complex shape
D
bacteriophage—enveloped shape
10

Which substance is a compound?

A
salt
B
phosphorus
C
sulfur
D
oxygen
11

Which type of process occurred in the ecosystem that was affected by the 1988 fires in Yellowstone Park, which destroyed most of the vegetation but left the soil intact?

A
primary succession
B
secondary succession
C
a climax community
D
species extinction
12

Consider the diagram that depicts the lysogenic and lytic cycles. In which step of the diagram does the virus release a protein that causes the cell wall to burst?

Question illustration
A
step C
B
step D
C
step E
D
step F
13

During which process is mRNA synthesized from a DNA template with the aid of RNA polymerase?

A
transcription
B
translation
C
translocation
D
transportation
14

Suzanne has type A– blood. Which blood type could she receive in a blood transfusion?

A
A+
B
O–
C
O+
D
B–
15

A Russian citizen has illegally obtained a Siberian tiger and is trying to sell the tiger’s fur in the United States. What treaty does this violate?

A
Tiger Treaty
B
Lacey Treaty
C
CITES
D
EPA
16

Which is the most efficient way to avoid DNA mutations from UV radiation?

A
Avoid getting X-rays at the doctor’s office.
B
Avoid protective shields during X-rays.
C
Avoid UV radiation by wearing sunscreen.
D
Avoid UV radiation by using a tanning bed.
17

Look at the picture below.What macromolecules make up most of the structure that is shown?

Question illustration
A
carbohydrates
B
lipids
C
nucleic acids
D
proteins
18

Which is a requirement for natural selection to occur?

A
heritable variations for some traits
B
the ability of an organism to improve a trait during its lifetime
C
equal probability of survival for all offspring
D
fewer offspring than the environment can support
19

Consider the diagram.Which process is represented?

Question illustration
A
deletion
B
nondisjunction
C
translocation
D
insertion
20

How many homologous chromosome alignments are possible for independent assortment during meiosis?

A
one
B
two
C
three
D
four
21

Consider this microscopic image of bacteria. Which bacterial form is shown in the image?

Question illustration
A
bacillus
B
nucleoid
C
spirillum
D
coccus

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