A bees have body parts adapted to collect and carry

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a. Bees have body parts adapted to collect and carry nectar. b. Bees have body parts adapted to collect and carry pollen. c. Flowers pollinated by bees are usually red. d. Flowers pollinated by bees have distinctive markings. e. Flowers pollinated by bees have showy, brightly colored petals. 26. Evolution of the Flower; p. 462; moderate; ans: c Flowers with a long corolla tube are most likely pollinated by: a. bats. b. birds. c. moths. d. bees. e. beetles.
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6 Chapter 20 Evolution of the Angiosperms 27. Evolution of the Flower; p. 462; moderate; ans: b Most flowers pollinated by birds: a. are blue or purple. b. are red or yellow. c. are white. d. have a strong odor. e. have landing platforms. 28. Evolution of the Flower; p. 462; moderate; ans: c Which of the following statements about most bat-pollinated flowers is FALSE? a. They are dull colored. b. They produce copious nectar. c. The are relatively odorless. d. They often hang down on long stalks. e. They open only at night. 29. Evolution of the Flower; p. 463; moderate; ans: d Dull-colored flowers with strong odors and producing copious nectar are most likely pollinated by: a. beetles. b. bees. c. butterflies. d. bats. e. birds. 30. Evolution of the Flower; p. 463; moderate; ans: d Flowers pollinated by ______ are most likely to produce no nectar, have dull colors, are relatively small, and have the sexes separated on the same plant. a. bats b. bees c. butterflies d. wind e. beetles 31. Evolution of the Flower; p. 464; easy; ans: d The red, orange, and yellow pigments of flowers are: a. anthocyanins. b. flavonols. c. flavonoids. d. carotenoids. e. betacyanins.
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Chapter 20 Evolution of the Angiosperms 7 32. Evolution of the Flower; p. 464; easy; ans: c The most important pigments in floral coloration are: a. anthocyanins. b. flavonols. c. flavonoids. d. carotenoids. e. betacyanins. 33. Evolution of the Flower; p. 464; easy; ans: a The red and blue pigments stored in vacuoles in flowers are: a. anthocyanins. b. flavonols. c. betalains. d. carotenoids. e. betacyanins. 34. Evolution of the Flower; p. 464; easy; ans: b The _______ are colorless or contribute a white or ivory hue to flowers. a. anthocyanins. b. flavonols. c. flavonoids. d. carotenoids. e. betacyanins. 35. Evolution of the Flower; p. 464; moderate; ans: b ______ are flavonoids that vary in color with the pH of the cell sap. a. Betacyanins b. Anthocyanins c. Betalains d. Carotenoids e. Chlorophylls 36. Evolution of the Flower; p. 465; difficulty, ans: d Ultraviolet absorbance in flowers is related to the presence of: a. anthocyanins. b. flavonols. c. chlorophylls. d. flavonoids. e. carotenoids.
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8 Chapter 20 Evolution of the Angiosperms 37. Evolution of the Flower; p. 465; moderate; ans: d The red color of beets is due to the presence of: a. anthocyanins. b. flavonols. c. chlorophylls. d. betacyanins. e. carotenoids. 38. Evolution of Fruits; p. 466; moderate; ans: b By definition an accessory fruit develops from: a. a single ovary only. b. an ovary plus additional flower parts. c. several carpels of one gynoecium. d. the gynoecia of more than one flower. e. a receptacle only.
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