Pollen grains are well preserved as fossils b | vedclass

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(D) The exine of pollen grains is made up of a highly resistant organic material called $Sporopollenin$.$Sporopollenin$ is one of the most resistant o

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Sporopollenin

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(D) The exine of pollen grains is made up of a highly resistant organic material called $Sporopollenin$.$Sporopollenin$ is one of the most resistant organic materials known.It can withstand high temperatures,strong acids,and alkali conditions.No enzyme that degrades $Sporopollenin$ is known to date.Due to this characteristic,pollen grains are well preserved as fossils.

Pollen grains are well preserved as fossils because of the presence of . . . . . . .

Similar Questions

In angiosperms,male gametes are produced by the division of:

Statement-$I$ : Flowers are the sites of sexual reproduction in angiosperms.
Statement-$II$ : $A$ typical anther is a bilobed,dithecous,and tetragonal structure.

Which statement is correct regarding pollen grains?

Which plant part is most suitable for the study of meiosis?

Which is the outermost layer of the anther wall?

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