Biology 3rd Edition Sample Questions

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1 Biology 3rd Edition Sample Questions Name: 1) Which is the correct identification of the parts of the DNA nucleotide in the diagram below? 6) The following diagram represents a part of the central nervous system. A) A = phosphate, B = ribose, C = uracil B) A = uracil, B = deoxyribose, C = thymine C) A = thymine, B = ribose, C = uracil D) A = phosphate, B = deoxyribose, C = thymine 2) What is the source of food for offspring developing in the pouch of a marsupial? A) Placenta and an umbilical cord B) Unused sperm cells C) Milk from mammary glands D) Yolk stored in the egg 3) Compare and contrast cell division in plant cells and animal cells. Identify the labeled nerves, A and B, in the given diagram. 4) Based on the graph shown, when did the population reach its carrying capacity? A) About 1875 B) About 1850 C) About 1845 D) About ) Which of the following processes takes place in structures known as grana? A) 2ATP + C 6 H 12 O 6 4ATP + 2 lactic acid 7) When a robin tries to pull an earthworm out of the ground, the worm uses its bristles to hold on tight to the walls of its home. Sometimes the worm holds on so tight and the robin pulls so hard that the worm breaks apart. The robin keeps the front end and the hind end wriggles back into its tunnel. If the bird only pulled off the first seven or eight segments of the worm's body, a new head will grow. If the worm is pulled in half, the tail end will die or produce another tail. The double-tailed worm will starve to death. Only a head end can regrow a tail to become a complete worm again. All of the following are true regarding regeneration in earthworms except A) each earthworm will have exactly half the number of the original chromosomes. B) stem cells in each earthworm segment divide and differentiate to provide the required missing tissue. C) regenerated earthworms are genetically identical to its separated segment. D) earthworms are able to regenerate because their body systems are relatively simple compared to more complex organisms that cannot regenerate. B) 6CO H 2 O C 6 H 12 O 6 + 6O 2 + 6H 2 O C) C 12 H 22 O 11 + H 2 O C 6 H 12 O 6 + C 6 H 12 O 6

2 8) Using a specific example, explain how a feedback mechanism maintains homeostasis in a living organism. 9) A student viewing a specimen under low power of a compound light microscope switched to high power and noticed that the field of view darkened considerably. Which microscope part should the student adjust to brighten the field of view? A) Diaphragm B) Eyepiece C) Fine adjustment D) Coarse adjustment 10) If humans overfish the sharks in this community, what would be the most likely short-range effect? 12) What might happen if the shape of an enzyme controlling ATP production is altered? A) ATP production will remain unaffected. B) ATP production will slow or stop; the organism might die. C) The organism's body will begin producing energy from other sources, such as sunlight. D) Metabolism will slow down for a few weeks until the body adapts. 13) How is the United States government persuading its citizens to build energy efficient homes? A) Building fewer power plants B) Giving tax breaks to alternative energy usage C) Changing building codes D) Leading by example 14) Receptors within sense organs, such as the skin and eyes, send impulses to the brain by way of A) skull tissue. B) muscles. C) sensory nerves. D) endocrine glands. 15) What mrna sequence will best match the section of DNA shown? A) The squid population will decrease. B) The plankton population will increase. C) The shrimp population will increase. D) The squid population will increase. 11) During a science field trip, Erin became very interested in the science of studying insects. Which of the following careers would best allow her to pursue that interest? A) Entomology B) Insectology C) Ecology D) Zoology A) C-U-A-G-G-A B) C-T-A-G-G-C C) T-C-G-A-A-G D) A-G-C-U-U-C 16) How would an exotic species, such as a water plant bred for home aquariums, likely interrupt the balance in a freshwater pond ecosystem? A) It would become a home for many insects. B) It would attract more animals to the pond than can be sustained. C) It would cause an overproduction of oxygen in the pond and kill many fish. D) It would compete for space and light with the plants native to the pond. 17) One of the most potent toxins resulting from large-scale resource extraction is called acid drainage. Which of the following resources generally produces acid drainage as a byproduct of its extraction? A) Oil B) Timber C) Coal D) Natural Gas

3 18) Which organism ingests food by engulfing it with pseudopods? A) Amoeba B) Grasshopper C) Paramecium D) Earthworm 19) Explain how green plants capture light energy to make glucose. 20) Which components of a geranium plant have functions similar to those of the arteries and veins of humans? A) Palisade and spongy layers B) Chloroplasts and guard cells C) Cambium and epidermis D) Xylem and phloem 21) Which type of cell does HIV destroy? A) B-Cells B) Killer H-cells C) Helper T-cells D) Antibodies 22) The diagram below illustrates which type of reproduction? A) Zygote formation B) Fission C) Vegetative propagation D) Cleavage 23) Which diagram best represents the usual relationships of biomass in a stable community? A) B) C) D)

4 BIOLOGY (3ed), Ch 6 #156 Stds: (TEKS) (B.6)(A)R, (B.6)(C)S, (B.9)(A)R 1) D Answer Key Page 1 BIOLOGY (3ed), Ch 3 #188 Stds: (TEKS) (B.6)(G)S 2) C BIOLOGY (3ed), Ch 6 #248 Stds: (TEKS) (B.5)(A)R 3) SAMPLE ANSWER: The processes of cell division are essentially the same except plant cells need to form a cell wall to complete cell division, and chloroplasts are divided between the daughter cells during cytokinesis. BIOLOGY (3ed), Ch 8 #363 Stds: (TEKS) (B.12)(D)S 4) D BIOLOGY (3ed), Ch 2 #164 Stds: (TEKS) (B.5)(B)S, (B.9)(B)S, (B.10)(B)R 5) B BIOLOGY (3ed), Ch 5 #94 Stds: (TEKS) (B.10)(A)R, (B.11)(B)S 6) SAMPLE ANSWER: A, motor nerve; B, sensory nerve BIOLOGY (3ed), Ch 3 #153 Stds: (TEKS) (B.5)(A)R 7) A BIOLOGY (3ed), Ch 5 #325 Stds: (TEKS) (B.10)(A)R 8) SAMPLE ANSWERS: If a person holds his\her breath too long, carbon dioxide can build up in the body. The person would then faint and normal breathing would start to automatically restore oxygen levels. OR TSH increases thyroxin production and thyroxin slows TSH production. BIOLOGY (3ed), Ch 1 #256 Stds: (TEKS) (B.1)(A)PS, (B.1)(B)PS, (B.2)(F)PS 9) A BIOLOGY (3ed), Ch 8 #221 Stds: (TEKS) (B.11)(C)S, (B.12)(E)S 10) D BIOLOGY (3ed), Ch 1 #312 Stds: (TEKS) (B.3)(C)PS 11) A BIOLOGY (3ed), Ch 2 #240 Stds: (TEKS) (B.9)(C)S 12) B BIOLOGY (3ed), Ch 9 #351 Stds: (TEKS) (B.1)(B)PS 13) B BIOLOGY (3ed), Ch 3 #79 Stds: (TEKS) (B.10)(A)R 14) C BIOLOGY (3ed), Ch 6 #191 Stds: (TEKS) (B.6)(A)R, (B.6)(B)S, (B.6)(C)S 15) A BIOLOGY (3ed), Ch 9 #206 Stds: (TEKS) (B.12)(F)R 16) D BIOLOGY (3ed), Ch 9 #245 Stds: (TEKS) (B.12)(F)R 17) C BIOLOGY (3ed), Ch 2 #377 Stds: (TEKS) (B.8)(B)R, (B.4)(A)S 18) A BIOLOGY (3ed), Ch 2 #173 Stds: (TEKS) (B.5)(B)S, (B.9)(B)S, (B.10)(B)R 19) SAMPLE ANSWER: During the process of photosynthesis, chlorophyll in the leaf chloroplasts trap the energy of sunlight and combine it with water and carbon dioxide to make glucose.

5 Answer Key Page 2 BIOLOGY (3ed), Ch 3 #241 Stds: (TEKS) (B.5)(B)S, (B.10)(C)S 20) D BIOLOGY (3ed), Ch 5 #256 Stds: (TEKS) (B.4)(C)R 21) C BIOLOGY (3ed), Ch 3 #400 Stds: (TEKS) (B.5)(C)S, (B.6)(G)S, (B.10)(B)S 22) C BIOLOGY (3ed), Ch 8 #304 Stds: (TEKS) (B.12)(C)S, (B.12)(E)S 23) B

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