Biology EOCT
Review
Intro to Biology

1. Sexual reproduction : two parents :: asexual
reproduction : ______.
A. two parents
B. one nonliving thing
C. one cell

Answer: E. one parent
D. two cells
E. one parent
Intro to Biology

2. one gram : 1000 milligrams :: one meter :
______.
A. 1000 millimeters
B. 1 millimeter
C. 1 kilometer

D. 1 milliliter
E. 1000 meters
Answer: A. 1000 millimeters
Intro to Biology

3. A researcher investigated two groups of fruit
flies. Population A was kept in a 0.5-L
container. Population B was kept in a 1-L
container. The manipulated variable was the
A. number of flies
D. time in days
B. number of groups
E. size of the containers
C. difference in time per group

Answer: E. size of the containers
Biochemistry

5. Which one of the following is NOT an
organic molecule found in living organisms?
A. protein
B. nucleic acid
C. carbohydrate
D. Sodium Chloride
D. sodium chloride
E. lipid
Biochemistry

6. Which combination of particle and charge
is correct?
A. proton: positively charged
B. electron: positively charged
C. neutron: negatively charged
D. proton: negatively charged
E. electron: no charge
A. Proton: positively charged
Biochemistry

7. The elements or compounds that enter into
a chemical reaction are the
A. cohesion.
B. adhesion.
C. catalysts.
D. Reactants
D. reactants.
E. products.
Biochemistry

8. Protein : amino acids :: nucleic acid : _____.
A. acids
D. ribose sugars
B. bases
E. fatty acids
C. nucleotides
C. Nucleotides
Ecology

9. A group of individuals belonging to a single
species that live together in a defined area is
termed a(an)
A. population.
D. biome.
B. ecosystem.
E. biosphere.
C. community.

Answer: A. population
Ecology

10. In addition to herbivores, another type of
consumer is a(an)
I. Carnivore
II. Omnivore
III. Detrivore
A. I only
B. II only
C. I and II only

Answer: E. I, II, and III
D. II and III only
E. I, II, and III
Ecology

11. Which is NOT an abiotic factor in an
ecosystem?
A. microorganisms D. rainfall
B. light
E. soil
C. temperature

Answer: A. microorganisms
Ecology

12. Flea : dog :: parasite : _____.
A. predator
D. competitor
B. bacteria
E. carnivore
C. host
C. Host
Ecology

13. Which factors increase the size of a
population?
I. Emigration
II. Birthrate
III. Immigration
A. I only
B. III only
C. I and III only
D. II and III only
D. II and III only
E. I, II, and III
Ecology

14. J-shaped curve : exponential :: S-shaped
curve : ______.
A. demographic
D. limiting factor
B. predation
E. immigration
C. logistic
C. Logistic
Ecology

15. Which of the following is NOT a
renewable resource?
A. wind
D. fossil fuels
B. sunlight
E. trees
C. water
D. Fossil Fuels
Cells

16. Animal cells have all of the following
EXCEPT
A. mitochondria.
D. a cell membrane.
B. chloroplasts.
E. Golgi apparatus.
C. a nucleus.
B. Chloroplasts
Cells

17. Which process always involves the
movement of materials from inside the cell to
outside the cell?
A. phagocytosis
D. exocytosis
B. endocytosis
E. osmosis
C. diffusion

Answer: D. exocytosis
Photosynthesis

18. Oak tree : autotroph :: human : ______.
A. consumer
D. omnivore
B. producer
E. heterotroph
C. autotroph

Answer: E. heterotroph
Photosynthesis

19. Which equation best summarizes the process
of photosynthesis?
A. water + carbon dioxide → sugars + oxygen
B. sugars + oxygen → water + carbon
C. water + oxygen → sugars + carbon dioxide
D. oxygen + carbon dioxide → sugars + oxygen
E. sugars + carbon dioxide → water + oxygen

Answer: A.
Photosynthesis

20. In a typical plant, all of the following
factors are necessary for photosynthesis
EXCEPT
A. chlorophyll.
D. carbon dioxide.
B. light.
E. water.
C. oxygen.
C. Oxygen
Cellular Respiration

21. What raw materials are needed for cellular
respiration?
A. glucose and carbon dioxide
B. glucose and oxygen
C. carbon dioxide and oxygen
D. oxygen and lactic acid
E. carbon dioxide and water
B. Glucose and Oxygen
Cellular Respiration

22. In eukaryotic cells, most of cellular
respiration takes place in the
A. nuclei.
D. cell walls.
B. cytoplasm.
E. centrioles.
C. mitochondria.
C. Mitochondria
Cell Division

23. Which of the following is NOT a phase of
mitosis?
A. anaphase
D. prophase
B. metaphase
E. interphase
C. telophase
E. Interphase
Cell Division

24. A process in which unregulated cell
division occurs is known as
A. mitosis.
D. cancer.
B. the cell cycle.
E. interphase.
C. cytokinesis.
D. Cancer
Genetics

25. What happens to the chromosome number
during meiosis?
A. It doubles.
D. It becomes diploid.
B. It stays the same. E. It quadruples.
C. It halves.

Answer: C. It halves.
Genetics

26. Two pink-flowering plants are crossed. The
offspring flower as follows: 25% red, 25%
white, 50% pink. What pattern of inheritance
does flower color in these flowers follow?
A. dominance
D. recessiveness
B. multiple alleles
E. polygenic traits
C. incomplete dominance

Answer: C. incomplete dominance
Genetics

27. Mitosis : diploid daughter cells :: meiosis :
______.
A. egg cells
B. sperm cells
C. four daughter cells
D. haploid daughter cells
E. tetraploid daughter cells

Answer: D. haploid daughter cells
DNA and RNA

29. During replication, which sequence of
nucleotides would bond with the DNA sequence
TATGA?
A. TATGA
D. AUAGA
B. UAUGA
E. ATACA
C. ATACT
C. ATACT
DNA and RNA

30. In which of the following ways does RNA
differ from DNA?
A. RNA contains uracil and deoxyribose.
B. RNA contains ribose and thymine.
C. RNA contains uracil and ribose.
D. RNA contains adenine and ribose.
E. RNA contains uracil, adenine, and ribose.
C. RNA contains uracil and ribose
DNA and RNA

31. Which of the following nucleotide(s)
bond(s) with adenine?
A. thymine only
D. cytosine & guanine
B. uracil only
E. thymine & uracil
C. thymine, uracil, and cytosine
E. Thymine and Uracil
DNA and RNA

32. Which sample(s) support(s) the basepairing rules?
A. Sample A only
B. Sample B only
C. Sample C only
D. Samples A and C
E. Samples A, B, and C
A. Sample A and C
Evolution

33. Which scientist formulated the theory of
evolution through natural selection?
A. Charles Darwin D. Charles Lyell
B. James Hutton
E. Alfred Wallace
C. Jean-Baptiste Lamark
A. Charles Darwin
Evolution

34. When two species reproduce at different
times, the situation is called
A. temporal isolation.
D. temporal selection.
B. speciation.
E. geographic isolation.
C. genetic drift.

Answer: A. temporal isolation.
Classification

35. Which of the following is NOT a characteristic of
Linnaeus’s system for naming organisms?
A. two-part name
B. multi-part name describing several traits
C. name that identifies the organism’s genus
D. name that identifies the organism’s species
E. name unique to a single species

Answer: B. multi-part name describing several traits
Classification

36. Animalia : kingdom :: Eukarya : ______.
A. order
D. phylum
B. class
E. domain
C. species

Answer: E. domain
Bacteria & Viruses

37. Which illness is NOT caused by a virus?
A. AIDS
D. common cold
B. polio
E. flu
C. botulism
C. Botulism
Bacteria & Viruses

38. All bacteria are classified as
A. eukaryotes.
D. prokaryotes.
B. protists.
E. blue-green algae.
C. archaea.
D. Prokaryotes
Protists

39. In amoebas, what structure helps the organism
move and feed?
A. flagellum
D. pseudopod
B. cilia
E. contractile vacuole
C. food vacuole
D. Pseudopod
Fungi

41. Which of the following organisms is NOT a
fungus?
A. mushroom
D. bread mold
B. puffball
E. yeast
C. water mold
C. Water mold
Fungi

42. Plant : root :: mold : _____.
A. gametangium
D. stolon
B. zygospore
E. sporangiophore
C. rhizoid

Answer: C. rhizoid
Plants

43. Gymnosperm : cones :: angiosperm : _____.
A. roots
D. leaves
B. seeds
E. flowers
C. stems

Answer: E. flowers
Plants

44. Which of the following is a basic requirement of
plants?
I. sunlight
II. Carbon dioxide
III. water
A. I only
B. II only
C. I and II only

Answer: E. I, II, and III
D. II and III only
E. I, II, and III
Plants

45. Where does most of the photosynthesis occur
in a plant?
A. stomata
D. vascular tissue
B. roots
E. leaves
C. bark
E. Leaves
Plants

46. Where in a flower are pollen grains produced?
A. sepals
D. ovary
B. anthers
E. stigma
C. carpels
B. anthers
Animals

47. Radial symmetry : jellyfish :: asymmetry :
_____.
A. medusa
D. coral
B. polyp
E. sponge
C. sea anemone
E. sponge
Animals

48. The concentration of nerve tissue and organs
in one end of the body is called
A. cephalization.
D. body symmetry.
B. segmentation.
E. nerve nets.
C. diffusion.

Answer: A. cephalization
Animals

49. tadpole : gills :: frog : ______.
A. atrium
D. eggs
B. lungs
E. stomach
C. scales

Answer: B. lungs
Animals

50. Amniotic eggs are a characteristic of
I. Amphibians
II. Reptiles
III. Birds
A. I only
B. II only
C. I and II only

Answer: D. II and III only
D. II and III only
E. I, II, and III
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