B2 Q6 MP1 - IB Biology II Name Q6 Mastery Packet 1 Which of...

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IB Biology II Name___________________________________ Q6 Mastery Packet 1) Which of the following best describes substances that enter a plant through the root system? A) They are attached to a carbon chain. B) They are brought in through plasmodesmata. C) They are negatively charged molecules. D) They are brought in through stomata. E) They are dissolved in water. 2) Which of the following best describes sugar movement within the plant body? A) pressure - flow hypothesis B) transpirational - pull hypothesis C) sugar - flow model D) bulk - flow model E) sink - to - source hypothesis 3) Which of the following best describes the development of a sugar sink in roots? A) pull of gravity on sugar molecules B) osmosis of water into xylem cells C) loss of water and sugar from the phloem tube D) absorption of water from the soil through epidermal cells E) active transport of minerals into xylem cells 4) Which of the following hormones promotes cell elongation in stems? A) auxin B) ethylene C) gibberellin D) cytokinin E) abscisic acid 5) Which of the following hormones promotes seed germination? A) auxin B) gibberellin C) ethylene D) cytokinin E) abscisic acid 6) Which of the following actually triggers flowering and other responses to photoperiod in plants? A) night length B) intensity of sunlight C) temperature D) gravity E) phases of the moon 7) Which of the following best characterizes the monocots? A) one seed leaf, leaves with parallel veins, stems with vascular bundles, and flower parts in threes B) one seed leaf, leaves with parallel veins, stems with a ring of vascular tissue, and flower parts in fives C) two seed leaves, leaf veins not parallel, stems with ring of vascular tissue, and flower parts in fives
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This note was uploaded on 07/08/2011 for the course BIOL 101 taught by Professor Smith during the Spring '11 term at Aachen University of Applied Sciences.

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B2 Q6 MP1 - IB Biology II Name Q6 Mastery Packet 1 Which of...

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