An interesting modification of flower shape for insect pollination occurs in some orchids in which a male insect mistakes the pattern on the orchid flower for the female of his species and tries to copulate with it, thereby pollinating the flower. This phenomenon is called
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An orthotropous ovule is one in which micropyle and chalaza are |
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Anemophillous flowers have |
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Anthesis is |
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Cauliflory is flowers produced |
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An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is |
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The coconut water and the edible part of coconut are equivalent to |
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The gynoecium consists of many free pistils in flowers of |
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In the fully organized polygonum type of embryo sac, what is the ratio of haploid, diploid and triploid nuclei? |
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Both, autogamy and geitonogamy are prevented in |
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Even in absence of pollinating agents seed-setting is assured in |
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