In the fully organized polygonum type of embryo sac, what is the ratio of haploid, diploid and triploid nuclei?
6 : 1 : 0
6 : 0 : 1
3 : 1 : 3
3 : 2 : 3
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Which type of association is found in between entomophilous flower and pollinating agent? |
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The process of fusion of male gamete with the polar nuclei is known as _____. |
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In which one of the following, male and female gametophytes do not have free living independent existence? |
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The tenuinucellate ovule has |
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