Commonly in a mature fertilized ovule n, 2n and 3n condition is respectively found in
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Karyogamy is |
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Assertion: 7-celled, 8 nucleate and monosporic embryo sac is called Polygonum type of embryo sac. Reason: It was discovered by Hofmeister for the first time in Polygonum. |
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Anthesis is |
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Which of the following is not concerning pollination? |
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In angiosperms, meiosis occurs at the time of |
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The point of attachment of the cotyledons on the tigellum is |
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How many pollen mother cells should undergo meiotic division to produce 64 pollen grains? |
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In a fully developed male gametophyte the number of nuclei is |
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Which of the following is necessary for seed formation in angiosperm? |
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Commonly in a mature fertilized ovule n, 2n and 3n condition is respectively found in |
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