Practice EOC Biology Assessment

43. Which graph BEST illustrates the fly and cricket population changes that occurred in the years immediately following the introduction of flies

A

47

A

17. Which THREE processes occur during meiosis?

A. Crossing over C. Formation of gametes D. Independent assortment

39. If the reaction temperature were to increase to increase from 40 C to 63 C, the reaction rate would likely

A. Decrease, because the enzyme would become denatured.

37. Which graph MOST accurately represents the change in the mass of the DNA in a body cell during one cell cycle?

A. Relative | _______ Mass |. / \ Of |_______/. \_______ DNA |__________________________

33. Which statement BEST describes the movement of carbon dioxide by diffusion?

A. The carbon dioxide can move through the plasma membrane by moving down the concentration gradient.

31. A researcher claims that glucose is moved into cells by facilitated diffusion through the GLUT4 transporter. Based on the model, which statement BEST supports the researcher's claim?

A. The movement of glucose across the membrane does not require ATP.

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.

45. Which prediction about the cricket population sizes at the end of the experiment is MOST LIKELY correct?

A. The population size will be larger in habitat 3 than in habitat 2

27. Which two viral characteristics provide evidence to support the argument that viruses are more similar to living components than to nonliving components of an ecosystem?

A. Viruses contain genetic material E. Viruses evolve through mutation and natural selection.

49.

B

51

B C

53.

B D

19. A removal of a dam in the river has restored river flow and improved the water quality of the river. Which of these would most directly increase due to the enhanced water quality in the river ecosystem?

B. Biodiversity

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.

29. Which THREE statements correctly describe the roles of RNA molecules in the process of transcription and translation in animal cells?

B. Messenger RNA molecules carry genetic information from the gene in the nucleus to the ribosome in the cytoplasm. C. Transfer RNA molecules carry the appropriate amino acid to the growing polypeptide. E. Ribosomal RNA molecules function in the assembly of the ribosome- mRNA complex and in the formation of peptide bonds between amino acids in the growing polypeptide.

11. Which claim is MOST consistent with the evidence that psbO DNA sequences are detected in E. Chlorotica eggs?

B. The psbO gene was transferred from V. Litorea to a recent ancestor of E. Chlorotica.

34. Which flowchart correctly shows the types of plasma membrane transport?

B. Types of Plasma Membrane Transport : Does not require energy- Osmosis, Facilitated Diffusion, and Diffusion Requires energy: Active Transport

23.

C.

25. In the pedigrees shown, each symbol represents an individual clover plant. If the shaded symbols represent plants that produce the enzyme linamarase, which pedigree accurately represents inheritance in clover plants?

C.

1. Which change in DNA will cause a heritable germline mutation?

C. A DNA replication error occurs in a sperm-producing cell

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.

15. Which TWO natural events would lead to this type of succession?

C. Lava flow from a volcano E. Retreat of a glacier

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

41. Which TWO statements support the claim that viruses are nonliving ?

C. Viruses lack machinery for reproduction E. Viruses cannot make their own chemical products.

21. Which statement BEST describes how sugars are metabolized in herbivores that eat clover containing high levels of cyanide?

D. Glycolysis and fermentation metabolize sugars but do not produce sufficient ATP to sustain life.

13. Which action could lead to a reduction in atmospheric carbon?

D. Humans planting trees in a forest.

35. Which ecological pyramid BEST represents the approximate proportion of energy transferred from the grass to the bobcat?

D. | || |||||| ||||||||||

50.

M

54.

M

42. Which strand is the complementary strand of DNA ?

M. 3' - TAA CGC TAA - 5'

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 S. Sea Urchin Embryo Cell T. Mammalian white blood cell

14. Bees cross-pollinate flowers when moving from flower to flower to obtain nectar. Bees use the collected nectar to create honey. Which three ecosystem services are best represented by this model?

M. Provisioning services: goods provided by or produced by ecosystems. P. Regulating services: benefits obtained from regulation of ecosystem services. S. Supporting services: services necessary for production of other ecosystem services.

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

12. Which statement correctly uses the data from the table to support a claim that nuclear genes support chloroplast function in V. Litorea?

M. psbO DNA sequences are detected in the nucleus but not in chloroplasts.

48.

P

52.

P

36. If the leafhopper receives 463,000 kJ of energy, which value BEST represents the approximate energy lost between the trophic levels occupied by the gray rat snake and the Cooper's hawk?

P. 4,170 kJ

30. Scientists sink concrete blocks in oceans to create artificial coral reefs. Which successive event MOST LIKELY occurs first on this type of coral reef?

P. Coral polyps attach themselves to the surfaces to grow.

22. Which statement describes the likely metabolic impact of cyanide production in clover plants?

P. Cyanide is toxic to clover plants because they use cytochrome c oxidase for electron transport in the mitochondria.

20. Based on the inner membrane of the mitochondria, which model correctly represents the effect of cyanide on cellular respiration in herbivores that eat clover plants?

P. Sugars—————>. ——-> ( CO2) Oxygen ( O2)—>Mitochondria——X ( H2O) ADP + ( P1) ——-> —-X. ATP

38. Which THREE statements are true about the mutation that caused the black coloring?

P. The mutation will affect only this dog. R. The mutation occurred in a body cell after the formation of the embryo. T. The mutation made a permanent change to the DNA of the affected cell.

46.

R

18. A researcher is planning an experiment to engineer a nonfunctional version of an RTK. Which engineered protein will MOST LIKELY be a nonfunctional RTK?

R. An RTK protein that is unable to bind to the signaling molecule.

6. Which change would lead to higher carbon dioxide levels in the atmosphere?

R. An increase in the burning of fossil fuels

26. Cells that line the intestines break down food and absorb nutrients. Which cellular organelle performs a similar function for cells?

R. Lysosome

28. Legume plants such as beans have a symbiotic relationship with bacteria and form nodules in the roots of the plant that concert atmospheric nitrogen gas into the nitrogen compounds the plant can use. If the nodules were prevented from forming, which of these would be the MOST LIKELY impact on the local community?

R. The soil would become depleted of usable nitrogen compounds.

40. Which TWO factors can BEST explain the shape of the area labeled by a question mark in the population- growth curve?

R. There was competition among the birds for available resources S. Some birds were unable to find shelter from the predators.

24.

S.

44. Which statement is the BEST explanation for the appearance of the flatwing phenotype among male crickets on Kauai?

S. A random mutation resulted in the appearance of the flatwing phenotype

10. Based on the model of the E. chlorotica life cycle, at which stage is the organism most likely capable of carrying out photosynthesis?

S. As a pigmented adult

16. Which claim about the shark population is BEST supported using the data?

S. The population of sharks in Shark Bay is larger in the summer than in the winter.

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

32. Which diagram correctly shows the movement of particles into the cell by active transport ?

S. • • ————————————————————— ATP —————> ADP + P1 •••••••••