BIOLOGY EOC PRACTICE TEST
QUESTIONS AND ANSWERS
What are the subunits of DNA and their function?
A. nucleotides that store information
B. monosaccharides that provide quick energy for the cell
C. lipids that store energy and provide insulation
D. proteins that provide the building blocks for the structural components of
organisms - ANSWER-Nucleotides that store information
How does the amount of energy resulting from fermentation compare with that of
aerobic respiration?
A. Aerobic respiration results in less energy.
B. Aerobic respiration results in more energy.
C. Each process results in equal amounts of energy.
D. Each process results in variable amounts of energy. - ANSWER-Aerobic
respiration results in more energy
Which best explains why muscle cells are different from blood cells?
A. A mutation occurs during the development of muscle cells but not in blood cells.
B. Different genes are activated in muscle cells than in blood cells.
C. Muscles cells experience different environmental influences than blood cells.
D. Muscle cells are produced by the brain, but blood cells are produced by the
heart. - ANSWER-Different genes are activated in muscle cells than in blood cells.
A freshwater plant is placed in a container of saltwater. 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 water will move out of them.
D. They will shrink because salt will move out of them. - ANSWER-They will shrink
because water will move out of them.
During which phase of the cell cycle is the cell growing and preparing for cellular
division?
A. cytokinesis
B. anaphase
C. prophase
D. interphase - ANSWER-Interphase
The males of a bird species do a "dance" and "sing a song" each spring. What is the
main purpose of these behaviors?
, A. to scare off young birds
B. to imprint young birds
C. to clean their feathers
D. to attract female birds - ANSWER-To attract female birds
The yucca plant releases a strong scent at night when the yucca moth is active.The
yucca moth, attracted by the scent, gathers pollen from the yucca flower. The yucca
moth then deposits her eggs and the pollen on another plant. This ensures that the
plant will be cross-pollinated and that the yucca moth larvae have a steady food
supply. Which relationship does this best illustrate?
A. commensalism
B. mutualism
C. parasitism
D. predation - ANSWER-Mutualism
Which environmental concern is most associated with burning fossil fuels?
A. global climate change
B. pollution of ocean waters
C. ozone layer destruction
D. decrease in levels of atmospheric carbon dioxide - ANSWER-Global climate
change
The construction of a new coal-burning power plant would have the greatest impact
on which environmental issue?
A. depletion of the ozone
B. production of acid rain
C. release of radiation
D. increase in deforestation - ANSWER-Production of acid rain
A segment of DNA has this sequence:
ATA GCA CAT GTA
What is the mRNA sequence transcribed from this segment?
A. TAT CGT GTA CAT
B. TAT GCT CTA GAT
C. UAU CGU GUA CAU
D. UAU GCU CUA CAU - ANSWER-UAU CGU GUA CAU
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 gametes to have twice the original number of chromosomes of the
organism.
C. It allows gametes to have half the original number of chromosomes of the
organism.
QUESTIONS AND ANSWERS
What are the subunits of DNA and their function?
A. nucleotides that store information
B. monosaccharides that provide quick energy for the cell
C. lipids that store energy and provide insulation
D. proteins that provide the building blocks for the structural components of
organisms - ANSWER-Nucleotides that store information
How does the amount of energy resulting from fermentation compare with that of
aerobic respiration?
A. Aerobic respiration results in less energy.
B. Aerobic respiration results in more energy.
C. Each process results in equal amounts of energy.
D. Each process results in variable amounts of energy. - ANSWER-Aerobic
respiration results in more energy
Which best explains why muscle cells are different from blood cells?
A. A mutation occurs during the development of muscle cells but not in blood cells.
B. Different genes are activated in muscle cells than in blood cells.
C. Muscles cells experience different environmental influences than blood cells.
D. Muscle cells are produced by the brain, but blood cells are produced by the
heart. - ANSWER-Different genes are activated in muscle cells than in blood cells.
A freshwater plant is placed in a container of saltwater. 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 water will move out of them.
D. They will shrink because salt will move out of them. - ANSWER-They will shrink
because water will move out of them.
During which phase of the cell cycle is the cell growing and preparing for cellular
division?
A. cytokinesis
B. anaphase
C. prophase
D. interphase - ANSWER-Interphase
The males of a bird species do a "dance" and "sing a song" each spring. What is the
main purpose of these behaviors?
, A. to scare off young birds
B. to imprint young birds
C. to clean their feathers
D. to attract female birds - ANSWER-To attract female birds
The yucca plant releases a strong scent at night when the yucca moth is active.The
yucca moth, attracted by the scent, gathers pollen from the yucca flower. The yucca
moth then deposits her eggs and the pollen on another plant. This ensures that the
plant will be cross-pollinated and that the yucca moth larvae have a steady food
supply. Which relationship does this best illustrate?
A. commensalism
B. mutualism
C. parasitism
D. predation - ANSWER-Mutualism
Which environmental concern is most associated with burning fossil fuels?
A. global climate change
B. pollution of ocean waters
C. ozone layer destruction
D. decrease in levels of atmospheric carbon dioxide - ANSWER-Global climate
change
The construction of a new coal-burning power plant would have the greatest impact
on which environmental issue?
A. depletion of the ozone
B. production of acid rain
C. release of radiation
D. increase in deforestation - ANSWER-Production of acid rain
A segment of DNA has this sequence:
ATA GCA CAT GTA
What is the mRNA sequence transcribed from this segment?
A. TAT CGT GTA CAT
B. TAT GCT CTA GAT
C. UAU CGU GUA CAU
D. UAU GCU CUA CAU - ANSWER-UAU CGU GUA CAU
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 gametes to have twice the original number of chromosomes of the
organism.
C. It allows gametes to have half the original number of chromosomes of the
organism.
