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Innermost layer of anther is tapetum, whose function

Protection
Nutrition
Mechanical support
Help in dehiscence
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Typical anther is

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The fully formed male gametophyte of angiosperms contains

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If the endosperm cells of an angiosperm seed sre pentaploid, then such a seed may have been formed by which of the following parents?

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The continued existence of any race can be basically attributed to the

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In anatropous ovule what is the direction of micropyle?

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Apomixis is a type of reproduction that results is the development of a/an

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Wind pollination is common in

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Double fertilization was first discovered by Nawaschin (1898) in

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Egg apparatus consists of

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Palynology deals with study of

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