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Unformatted text preview: d. ground water pressure. 6. (4 pts) The opening and closing of the stomata is controlled by a. the release of plant hormones. b. the amount of CO 2 in the air. c. the movement of water into and out of the guard cells. d. none of the above CH375 Introduction to Biology 2007-2 Cadet _____________________________ 30 point quiz No. 11 I hour 7. (3 pts) Which of the following is NOT a characteristic of dicots? a. Floral parts in multiples of four or five. b. Veins are parallel. c. There are two cotyledons. d. A taproot is present. 8. (3 pts) Which of the following is an evolutionary adaptation of leaves? a. hunting devices b. spines c. flowers d. all of the above Extra credit (3 points). How do the sugars produced in leaves get into the sieve-tube elements? The companion cells actively transport them....
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- Fall '08