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AAKASH INSTITUTE-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Assignment (SECTION A)
- A typical angiosperm anther is:
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- The innermost wall layer of anther
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- The process of formation of microspores from pollen mother cell (PMC) ...
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- The pollen grain represents
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- The most resistant organic material known which makes up the outemost ...
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- Choose the correct option w.r.t the function of the germ pore
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- The thin and continuous wall layer of pollen is
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- The two celled stage of mature pollen grain consists of
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- In 40% angiosperms the pollen grains are shed at
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- Pollen allergy is caused by pollens fo
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- The pollen viability period of rice and pea respecitvely is
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- Integumented megasporangium is
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- The nutritive tissue present in the ovule is called
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- The number of embryo sac in an ovuls is gernally
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- The role of triple fusion in angiosperms is to produce
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- The polidy level of nucellus and female gametophyte respectively is
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- The number of nuclei in a mature embryo sac are
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- The largest cell of the mature embryo sac is
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- The structures which guide the pollen tube into synergid is
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- Geitonogamy is
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