Biology EOC Practice Exam Questions
and Answers 100% Pass
The gopher snake uses its glottis to produce a hiss that sounds similar to a rattlesnake's
rattle. What is the most likely reason a gopher snake would do this? - ✔✔to confuse
predators
A population of salamanders that line in a river require clear, fresh water to survive. A
flood causes tons of sediments to be suspended in the river. Which of these most likely
will happen to the salamander population? - ✔✔the salamanders will decrease in
number because of the water quality
The diagram shows a food web, a reduction in which of these species would lead to a
decrease in all the other populations in the web? - ✔✔Grass/Trees
Which of these best explains the difference between the way animals and plants
exchange gases with their environments? - ✔✔Animals use only respiration; while
plants use both photosynthesis and respiration
What is the main function of a selectively permeable cell membrane? - ✔✔regulates
what enters and leaves the cell
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, The Papaya mealybug is a pest that poses a threat to many tropical plants. Which fate of
the mealybug would result from the inability of the species to reproduce? - ✔✔the
species would become extinct
In a certain insect, round wings (H) are dominant to pointed wings (h). What cross will
produce the greatest number of genotypic and phenotypic variations? - ✔✔Hh x Hh
Polar bears swim across large expanses of ocean while hunting for seals, their main
source of food. The bears use sea ice as resting spots during their long swims. However,
the sea ice is rapidly melting as a result of global warming. Which statement describes
what most likely will happen if global warming continues at present rate? - ✔✔Polar
bears populations will decrease, and seal populations will increase
A strand of DNA is exposed to intense heat. Which of these best describes what will
happen to the strand of DNA? - ✔✔the chemical bonds of the DNA molecule will be
broken
Which structure is primarily responsible for direction all processes of a plant cell? -
✔✔Nucleus
The loss of habitat in a forest region has caused some plant species to become extinct,
while others survive. The process by which some plants species survive and others do
not in a changing environment is best explained by... - ✔✔natural selection
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and Answers 100% Pass
The gopher snake uses its glottis to produce a hiss that sounds similar to a rattlesnake's
rattle. What is the most likely reason a gopher snake would do this? - ✔✔to confuse
predators
A population of salamanders that line in a river require clear, fresh water to survive. A
flood causes tons of sediments to be suspended in the river. Which of these most likely
will happen to the salamander population? - ✔✔the salamanders will decrease in
number because of the water quality
The diagram shows a food web, a reduction in which of these species would lead to a
decrease in all the other populations in the web? - ✔✔Grass/Trees
Which of these best explains the difference between the way animals and plants
exchange gases with their environments? - ✔✔Animals use only respiration; while
plants use both photosynthesis and respiration
What is the main function of a selectively permeable cell membrane? - ✔✔regulates
what enters and leaves the cell
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
, The Papaya mealybug is a pest that poses a threat to many tropical plants. Which fate of
the mealybug would result from the inability of the species to reproduce? - ✔✔the
species would become extinct
In a certain insect, round wings (H) are dominant to pointed wings (h). What cross will
produce the greatest number of genotypic and phenotypic variations? - ✔✔Hh x Hh
Polar bears swim across large expanses of ocean while hunting for seals, their main
source of food. The bears use sea ice as resting spots during their long swims. However,
the sea ice is rapidly melting as a result of global warming. Which statement describes
what most likely will happen if global warming continues at present rate? - ✔✔Polar
bears populations will decrease, and seal populations will increase
A strand of DNA is exposed to intense heat. Which of these best describes what will
happen to the strand of DNA? - ✔✔the chemical bonds of the DNA molecule will be
broken
Which structure is primarily responsible for direction all processes of a plant cell? -
✔✔Nucleus
The loss of habitat in a forest region has caused some plant species to become extinct,
while others survive. The process by which some plants species survive and others do
not in a changing environment is best explained by... - ✔✔natural selection
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2
