Chapter 38 Angiosperm Reproduction and Biotechnology

Chapter 38 Angiosperm Reproduction and Biotechnology

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Chapter 38 Angiosperm Reproduction and Biotechnology Multiple - Choice Questions 1) The male wasp Campsoscolia ciliata transfers pollen from one orchid to another orchid of the same species. What ʺ reward ʺ does the male wasp receive from the orchid plants for helping with the orchid pollination? A) a supply of energy - rich nectar B) volatile chemical hormones that help the male wasp find a sexually receptive female C) There is no reward. The male wasp is deceived by the flower shape and odor D) successful copulation with the flower E) a store of nectar that the wasp can use in time of famine 2) For this pair of items, choose the option that best describes their relationship. (A) The number of cells within the embryo sac (B) The number of nuclei within the embryo sac A) Item (A) is greater than item (B). B) Item (A) is less than item (B). C) Item (A) is exactly or very approximately equal to item (B). D) Item (A) may stand in more than one of the above relations to item (B). 3) For this pair of items, choose the option that best describes their relationship. (A) The ploidy of the angiosperm seed endosperm (B) The ploidy of the angiosperm seed embryo A) Item (A) is greater than item (B). B) Item (A) is less than item (B). C) Item (A) is exactly or very approximately equal to item (B). D) Item (A) may stand in more than one of the above relations to item (B). 4) For this pair of items, choose the option that best describes their relationship. (A) The percentage of dandelion plants that produce seeds by apomixis. (B) The percentage of creosote bushes that produce seeds by apomixis A) Item (A) is greater than item (B). B) Item (A) is less than item (B). C) Item (A) is exactly or very approximately equal to item (B). D) Item (A) may stand in more than one of the above relations to item (B). 5) For this pair of items, choose the option that best describes their relationship. (A) The GABA levels in pop2 mutant Arabidopsis flowers (B) The GABA levels in wild - type Arabidopsis flowers A) Item (A) is greater than item (B). B) Item (A) is less than item (B). C) Item (A) is exactly or very approximately equal to item (B). D) Item (A) may stand in more than one of the above relations to item (B). 6) For this pair of items, choose the option that best describes their relationship. (A) The amount of fumonisin in processed maize products (B) The amount of fumonisin in processed Bt maize products A) Item (A) is greater than item (B). B) Item (A) is less than item (B). C) Item (A) is exactly or very approximately equal to item (B). D) Item (A) may stand in more than one of the above relations to item (B). 7) At the conclusion of meiosis in plants the end products are always four haploid A) spores. B) eggs.
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Chapter 38 Angiosperm Reproduction and Biotechnology

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