Practice EOC Biology Assessment
Questions and Answers 100% Pass
1. Which change in DNA will cause a heritable germline mutation? - ✔✔C. A DNA
replication error occurs in a sperm-producing cell
2. A student is investigating how substrate concentration affects the rate of an enzyme-
catalyzed reaction. Which three variables should be kept constant in the setup of the
student's investigation? - ✔✔M. Temperature of the reaction
P. Amount of enzyme
T. pH of the reaction
Tupai is part of the Leeward Islands. For years, people were not allowed on this island.
Recently, it has been opened to tourists. How will increased development and human
interactions likely affects succession on this island? - ✔✔C. Biodiversity will decrease as
the number os species decreases.
4. A cell model is shown. Students were instructed to review the types and number of
structures that are present in this cell model. - ✔✔M. Human stem cell
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
, S. Sea Urchin Embryo Cell
T. Mammalian white blood cell
5. Which claim about reproduction in dogs can best be supported using a valid
argument? - ✔✔B. Gametes from both dogs are needed to maintain the correct number
of chromosomes in the offspring.
6. Which change would lead to higher carbon dioxide levels in the atmosphere? - ✔✔R.
An increase in the burning of fossil fuels
7. Which statement best explains how the green sea slug is able to produce its own
food? - ✔✔C. The slug is able to use the chloroplasts to make glucose molecules that it
then uses for cellular respiration
8. Which property would give the green sea slug the capability to incorporate the genes
of V. litorea into its own DNA? - ✔✔S. They both use the same nucleotides in their
DNA
9. In the investigation of oxygen dynamics in E. Chlorotica cultures, gross
photosynthesis is reported after seven months in culture, even in the apparent absence
of oxygen production. Which statement provides the best reasoning to explain this
observation? - ✔✔A. The oxygen produced in photosynthesis is used in cellular
respiration.
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2
Questions and Answers 100% Pass
1. Which change in DNA will cause a heritable germline mutation? - ✔✔C. A DNA
replication error occurs in a sperm-producing cell
2. A student is investigating how substrate concentration affects the rate of an enzyme-
catalyzed reaction. Which three variables should be kept constant in the setup of the
student's investigation? - ✔✔M. Temperature of the reaction
P. Amount of enzyme
T. pH of the reaction
Tupai is part of the Leeward Islands. For years, people were not allowed on this island.
Recently, it has been opened to tourists. How will increased development and human
interactions likely affects succession on this island? - ✔✔C. Biodiversity will decrease as
the number os species decreases.
4. A cell model is shown. Students were instructed to review the types and number of
structures that are present in this cell model. - ✔✔M. Human stem cell
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
, S. Sea Urchin Embryo Cell
T. Mammalian white blood cell
5. Which claim about reproduction in dogs can best be supported using a valid
argument? - ✔✔B. Gametes from both dogs are needed to maintain the correct number
of chromosomes in the offspring.
6. Which change would lead to higher carbon dioxide levels in the atmosphere? - ✔✔R.
An increase in the burning of fossil fuels
7. Which statement best explains how the green sea slug is able to produce its own
food? - ✔✔C. The slug is able to use the chloroplasts to make glucose molecules that it
then uses for cellular respiration
8. Which property would give the green sea slug the capability to incorporate the genes
of V. litorea into its own DNA? - ✔✔S. They both use the same nucleotides in their
DNA
9. In the investigation of oxygen dynamics in E. Chlorotica cultures, gross
photosynthesis is reported after seven months in culture, even in the apparent absence
of oxygen production. Which statement provides the best reasoning to explain this
observation? - ✔✔A. The oxygen produced in photosynthesis is used in cellular
respiration.
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2
