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Biology EOC Practice 2
Test Description: EOC practice
Instructions: Answer all questions to get your test result.
1) A large population of cockroaches was sprayed with an insecticide. A few of the cockroaches survived and produced a population of cockroaches that was resistant to this spray. What can best be inferred from this example?
A
The environment has no effect on the survival of an organism.
B
A species will adapt no matter what the environment.
C
Individuals with favorable variations survive and reproduce.
D
Individuals with favorable variations survive and reproduce.
2) Which of these shows the steps by which proteins are coded and synthesized?
A
RNA-- DNA -- protein
B
protein -- RNA -- DNA
C
DNA-- RNA -- protein
D
protein -- DNA --RNA
3) A segment of DNA has this sequence: ATA GCA CAT GTA What is the mRNA sequence transcribed from this segment?
A
UAU CGU GUA CAU
B
UAU GCU CUA CAU
C
TAT GCT CTA GAT
D
TAT CGT GTA CAT
4) What is the result when a single cell reproduces by mitosis?
A
four cells with half the genetic material of the parent cell
B
two cells with half the genetic material of the parent cell
C
two cells with genetic material identical to the parent cell
D
four cells with genetic material identical to the parent cell
5) How many daughter cells are formed in meiosis?
A
4
B
3
C
2
D
1
6) A strand of DNA has these bases: AGC CAT GTA TAC What is the complementary DNA strand?
A
ACG GAT CTA TAG
B
TCG GTA CAT ATG
C
TGC CTA GAT ATC
D
UCG CUA CAU AUG
7) Which of the following statements correctly describes meiosis?
A
Meiosis does not occur in reproductive cells.
B
Cells divide only once during meiosis.
C
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell.
D
The cells produced at the end of meiosis are genetically identical to the parent cell.
8) What is the role of hydrogen bonds in the structure of DNA?
A
to connect the base pairs
B
to code for proteins
C
to separate the strands
D
to synthesize proteins
9) What is the process that copies a gene's DNA sequence into a sequence of RNA?
A
translation
B
initiation
C
transcription
D
insertion
10) What will most likely be the result if all of the mitochondria are removed from a plant cell?
A
It will lose water through osmosis.
B
It will be unable to photosynthesize.
C
It will be unable to carry out respiration.
D
It will break down the ribosomes in the cell.
11) All are abiotic factors except
A
herbivores
B
sunlight
C
soil
D
water
12) Which statement best compares aerobic and anaerobic respiration?
A
Less ATP is generated during anaerobic respiration than during aerobic respiration.
B
More water is generated during anaerobic respiration than during aerobic respiration.
C
Less lactic acid is generated during anaerobic respiration than during aerobic respiration.
D
More oxygen is generated during anaerobic respiration than during aerobic respiration.
13) A freshwater plant is placed in a container of distilled water. What will most likely happen to the cells of the plant?
A
They will swell because water will move into them.
B
They will swell because salt will move into them.
C
They will shrink because salt will move out of them.
D
They will shrink because water will move out of them.
14) Which cellular organelle is responsible for packaging the proteins that the cell secretes?
A
lysosome
B
Golgi Apparatus
C
cell membrane
D
cytoskeleton
15) A type of cell that can exist in a broad range of environmental conditions, can rapidly multiply, and lacks a nucleus is known as what type of cell?
A
plant
B
prokaryote
C
eukaryotic
D
animal
16) Two gametes containing 20 chromosomes fuse during fertilization. How many chromosomes will the zygote cell contain?
A
20
B
80
C
10
D
40
17) Why is meiosis important for sexual reproduction?
A
It allows the zygote formed from fertilization to have triple the chromosome number of the organism.
B
It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.
C
It allows gametes to have half the original number of chromosomes of the organism.
D
It allows gametes to have twice the original number of chromosomes of the organism.
18) Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
A
Substances are moving through channels in the cell membrane.
B
Substances are moving rapidly across the cell membrane.
C
Substances are moving from high to low concentrations.
D
ATP is being rapidly consumed near the cellular membrane.
19) How does the amount of energy resulting from fermentation compare with that of aerobic respiration?
A
Aerobic respiration results in more energy
B
Each process results in variable amounts of energy
C
Aerobic respiration results in less energy
D
Each process results in equal amounts of energy
20) Eukaryotic cells are differentiated from prokaryotic cells because eukaryotic cells
A
have nuclei.
B
have permeable membranes.
C
are much smaller
D
have a higher rate of reproduction.
*select an answer for all questions
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