Final Sample

Final Sample - Sample Questions Bio 1223 April 2010 Circle...

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Sample Questions Bio 1223 April 2010 Circle the best single letter choice for each of the following questions. 1. The smaller the organism, the larger the ______ . A. need for homeostasis. B. need for a respiratory organ. C. surface area for gas exchange. D. volume. E. need to grow bigger. 2. When red blood cells are placed in hypotonic solutions, they A. shrink. B. wrinkle. C. divide by mitosis. D. remain the same. E. swell. 3. You placed an aquatic salamander into a tank of water and gradually increase the salinity of the water. You monitor its body fluids as the environment becomes saltier. If the salamander is a regulator, its body fluid salinity would A. stay at a constant level. B. increase with increasing environmental salinity. C. decrease with increasing environmental salinity. D. first increase then remain constant. E. first decrease then remain constant. 4. A lizard laying flat on a warm rock to gain body heat is using which method of heat transfer? A. Radiation B. Conduction C. Convection D. Sunning E. Thigmotropism 5. Insects excrete uric acid to save A. organ space. B. energy. C. body water. D. time. E. excess weight. 6. Marine amoeba A. lack contractile vacuoles. B. use contractile vacuoles to excrete excess salt. C. use contractile vacuoles to excrete excess water. D. use contractile vacuoles to collect water. E. use contractile vacuoles to excrete nitrogenous waste. 7. Humans would be ______ in freshwater and _____ in sea water. A. hypotonic; hypertonic B. hypertonic; hypertonic C. isotonic; hypotonic D. hypertonic; hypotonic E. hypertonic, isotonic 8. Match the name of the excretory organ with its description on the right. I. Metanephridia 1. connected to digestive tract II. Protonephridia 2. Flame bulb and cilia III. Malpighian tubules 3. one pair per body segment A. I-3, II-2, III-1 B. I-1, II-2, III-3 C. I-3, II-1, III-2 D. I-2, II-3, III-1 E. I-1, II-3, III-2 9. Which of the following are typically osmoconformers? a. sharks b. freshwater teleost fishes c. freshwater invertebrates d. marine teleost fishes 10. Which of the following is the main form of nitrogenous wastes released by aquatic invertebrates to their environment? a. urea b. uric acid c. ammonia d. nitrate
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Sample Questions Bio 1223 April 2010 11. Protonephridia are found in a. annelids. b. mammals. c. flatworms. d. insects. 12. Certain marine birds and reptiles have nasal glands that A. allow organisms to drink sea water. B. collect salt from freshwater. C. excrete excess nitrogenous wastes. D. secrete pure water without salts. E. collect sea water and purify it. 13. Sharks A. are hyperosmotic to sea water because of high retention of nitrogenous wastes. B. use special gill cells to excrete excess NaCl. C. collect needed NaCl in the rectal gland.
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Final Sample - Sample Questions Bio 1223 April 2010 Circle...

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