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1 | |
1. Which feature characterizes angiosperms as a group? |
| | A) | a. large aquatic thalli |
| | B) | b. mycelia and spores |
| | C) | c. flowers and fruits |
| | D) | d. unicellular organisms |
| | E) | e. most economically important |
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2 | |
2. Which of the following is NOT part of the angiosperm flower? |
| | A) | a. sepals |
| | B) | b. petals |
| | C) | c. carpels |
| | D) | d. stamens |
| | E) | e. none of the above |
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3 | |
3. Which group of organisms produces seeds in cones and includes pines, cedars, and redwoods? |
| | A) | a. gymnosperms |
| | B) | b. angiosperms |
| | C) | c. fungi |
| | D) | d. algae |
| | E) | e. non-flowering plants |
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4 | |
4. The most significant negative aspect of algae is the occurrence of algal blooms resulting from nutrient input from human sewage and agricultural run-off. |
| | A) | True |
| | B) | False |
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5 | |
5. Many species of algae are used as important and nutritious food for people throughout the world. |
| | A) | True |
| | B) | False |
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6 | |
6. Fungi are ecologically classified as saprobes, parasites, and decomposers. |
| | A) | True |
| | B) | False |
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7 | |
7. Penicillin is derived from which of the following groups? |
| | A) | a. algae |
| | B) | b. fungi |
| | C) | c. mosses |
| | D) | d. gymnosperms |
| | E) | e. angiosperms |
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8 | |
8. Which of the following is NOT a fundamental property of life? |
| | A) | a. structural organization |
| | B) | b. ability to respond |
| | C) | c. metabolism |
| | D) | d. ability to migrate |
| | E) | e. growth and reproduction |
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9 | |
9. The maker of modern barbed wire was initially called the Thorn Wire Hedge Company because its product mimicked the thorny branches of the Osage orange. |
| | A) | True |
| | B) | False |
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10 | |
10. The isotope of carbon, 14C, |
| | A) | a. emits radiation. |
| | B) | b. is used to study photosynthetic pathways. |
| | C) | c. is used to date fossils. |
| | D) | d. all of the above. |
| | E) | e. only a and c are correct. |
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11 | |
11. The symbol Ca++ is the chemical symbol for calcium after it has gained 2 electrons. |
| | A) | True |
| | B) | False |
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12 | |
12. CnH2nOn is the general formula for |
| | A) | a. proteins. |
| | B) | b. lipids. |
| | C) | c. monosaccharides. |
| | D) | d. DNA |
| | E) | e. RNA |
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13 | |
13. Glycogen is the chief storage molecule utilized by animals, fungi, and bacteria. |
| | A) | True |
| | B) | False |
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14 | |
14. Lipids |
| | A) | a. are found in certain seeds. |
| | B) | b. are structural components of cell membranes. |
| | C) | c. are composed of chains of amino acids. |
| | D) | d. all of the above. |
| | E) | e. a and c are correct. |
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15 | |
15. Proteins are composed of smaller molecules known as |
| | A) | a. nucleic acids |
| | B) | b. amino acids |
| | C) | c. saccharides |
| | D) | d. fats |
| | E) | d. all of the above |
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16 | |
16. Which molecule contains deoxyribose, phosphate, and thymine? |
| | A) | a. purine |
| | B) | b. RNA |
| | C) | c. uracil |
| | D) | d. DNA |
| | E) | e. both b and d |
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17 | |
17. The difference between DNA and RNA is that RNA consists of a double-stranded helix of sugars, phosphate groups, and nitrogenous bases. |
| | A) | True |
| | B) | False |
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18 | |
18. The four classes of secondary metabolites are phenolics, alkaloids, terpenes, and glycosides. |
| | A) | True |
| | B) | False |
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19 | |
19. Taxol, THC, and tannins are examples of _________. |
| | A) | a. terpenes |
| | B) | b. purines |
| | C) | c. phenolics |
| | D) | d. alkaloids |
| | E) | e. glycosides |
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2006 McGraw-Hill Higher Education