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Which of these is a male gametophyte? (Activity 30A) 
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| A |
| B |
| C |
| D |
| E |
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In pines, the female gametophyte contains _____, each of which contains a(n) _____. (Activity 30A)
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| archegonia ... egg |
| archegonia ... sperm cell |
| antheridia ... egg |
| antheridia ... sperm cell |
| microsporangia ... egg cell |
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In pines, an embryo is a(n) _____. (Activity 30A)
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| seed |
| immature sporophyte |
| food reserve for the immature sporophyte |
| immature male gametophyte |
| immature female gametophyte |
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In pine trees, pollen grains get to the ovule via the _____. (Activity 30A)
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| micropyle |
| eggs |
| megaspore |
| pollen cone |
| integuments |
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Which of these statements is true about the gametophyte tissue that surrounds the pine embryo? (Activity 30A)
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| It functions as a haploid food reserve. |
| It functions as a diploid food reserve. |
| It functions as a triploid food reserve. |
| It develops from the fusion of a microspore and a megaspore. |
| It is the remnant of the pollen tube. |
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Of the four haploid cells produced by a pine cone's megaspore mother cell, _____ survive(s). (Activity 30A)
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| one |
| two |
| three |
| four |
| five |
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In the pine, microsporangia form _____ microspores by _____. (Activity 30A)
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| triploid ... fertilization |
| diploid ... mitosis |
| diploid ... meiosis |
| haploid ... mitosis |
| haploid ... meiosis |
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Ovules are found within structure _____. (Activity 30B) 
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| A |
| B |
| C |
| D |
| E |
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Which of these is unique to flowering plants? (Activity 30B)
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| a dominant sporophyte generation |
| an embryo surrounded by nutritive tissue |
| haploid gametophytes |
| double fertilization |
| pollen production |
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The male gametophytes of flowering plants are also referred to as _____. (Activity 30B)
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| endosperm |
| male sporophytes |
| megaspores |
| pollen grains |
| embryo sacs |
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In flowering plants the integument of the ovule develops into a(n) _____. (Activity 30B)
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| endosperm |
| cotyledon |
| fruit |
| sporophyte |
| seed coat |
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A carpel is composed of _____. (Activity 30B)
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| ovary, ovule, and anther |
| ovule, megasporocyte, and anther |
| zygote, anther, and endosperm |
| stigma, style, and ovary |
| petal, sepal, and stamen |
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In flowering plants one megaspore gives rise to _____ nuclei. (Activity 30B)
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| four diploid |
| four haploid |
| eight haploid |
| eight diploid |
| microsporangia |
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A stamen consists of _____. (Activity 30B)
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| anther and filament |
| stigma and style |
| stigma and anther |
| stigma and filament |
| ovary and sepal |
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"Pollination" is the transfer of pollen grain to the _____ of a flower on the same plant or another plant of the same species. (Activity 30B)
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| style |
| anther |
| ovulate cone |
| stigma |
| ovary |
