AS Quiz 12 CH375 2007-2

AS Quiz 12 CH375 2007-2 - polar nuclei with the second...

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CH375 Introduction to Biology 2007-2 Cadet _____________________________ 30 point quiz No. 12 I hour 1. (4 pts) A key difference between the reproduction of plants and animals is a. the fusion of haploid gametes to form a diploid organism. b. the alternation of haploid and diploid generations. c. meiosis cuts the number of chromosomes by one half. d. the presence of a multicellular diploid stage. 2. (4 pts) What is the function of the endosperm in flowering plants? a. It stores food for the embryo. b. The sporophyte grows from it. c. The gametophyte grows from it. d. It feeds the pollen. 3. (4 pts) Which of these parts of a flower are part of the sporophyte generation and thus diploid? a. sepals b. filaments c. petals d. stigma e. All of the above 4. (4 pts) An incomplete flower lacks a. male parts. b. female parts. c. male and female parts. d. a and b. 5. (4 pts) What does double fertilization mean? Double fertilization describes the fusion of the egg with one sperm and the fusion of the
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Unformatted text preview: polar nuclei with the second sperm. 6. (4 pts) Which of the following is one way to insure germination of a seed occurs at the proper time? a. drying b. cold c. disruption of the seed coat d. All of the above OVER CH375 Introduction to Biology 2007-2 Cadet _____________________________ 30 point quiz No. 12 I hour 7. (6 pts) Describe the relationship between figs and wasps. The wasp pollinates the figs and lays her eggs in the fruit structure. The fruit grows and feeds the larvae. The larvae grow and mature. The cell repeats. Extra credit (3 pts) Describe the coconut in evolutionary terms. The husk of the coconut evolved in a way that the seed could withstand long exposure to the ocean. The large amount of nutrient allows the embryo to grow quickly and large before having to supply all its own food via photosynthesis. OVER...
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AS Quiz 12 CH375 2007-2 - polar nuclei with the second...

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