BSC1005 Broward College ch33 Exam review

BSC1005 Broward College ch33 Exam review - Exam Name...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is a health benefit associated with increasing the amount of soybeans in the human diet? 1) A) decreased HDL levels B) removal of antioxidants from the body C) decreased amount of fiber in the diet D) decreased LDL levels 2) Plants grow toward light through the action of 2) A) hormones. B) chloroplasts. C) solar energy. D) nerves. 3) Grass shoots bend toward the light because, on the shadowed side, a(n) 3) A) increase in auxin levels promotes cell division. B) increase in auxin levels promotes cell elongation. C) reduction in auxin levels prevents cell elongation. D) reduction in auxin levels promotes cell elongation. 4) One of the experiments in phototropism involved cutting off the tips of grass seedlings before exposing them to light from one side. The decapitated seedlings did not bend toward light. A valid conclusion from this experiment would be that 4) 5) Plant hormones 5) 6) Which of the following statements about plant hormones is true ? 6) 7) What is one main effect of auxins on plant growth? 7) A) They reduce growth by inhibiting cell division. B) They increase growth by increasing the rate of photosynthesis. C) Auxins have no effect on plant growth. D) They increase growth by promoting cell elongation. 8) If the auxin that is produced by an apical meristem is transported in equal amounts down all sides of a twig, the twig will probably 8) 1
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9) When a nursery worker pinches off the terminal buds on a young chrysanthemum plant to make it grow bushy, which of the following plant hormones is mainly responsible for growth of side branches? 9)
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