Medium
An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
- Acuticle
- Bsporopollenin
- Clignin
- Dcellulose
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Similar Questions
What would be the ploidy of the cells of the microspore tetrad in an angiosperm?
Medium
View SolutionIn plants,meiosis occurs in
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View SolutionThe two-celled stage of a mature pollen grain consists of:
Medium
View SolutionConsider the following statements and choose the correct answer from the given options.
$Statement \ 1$: Innermost layer of microsporangium is tapetum.
$Statement \ 2$: Cells of tapetum possess dense cytoplasm, more than one nucleus, and nourish the developing pollen grains.
$Statement \ 1$: Innermost layer of microsporangium is tapetum.
$Statement \ 2$: Cells of tapetum possess dense cytoplasm, more than one nucleus, and nourish the developing pollen grains.
In the male reproductive whorl of a flower,the archesporial cells are formed by . . . . . . .
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