Pollen grains are well-preserved as fossils d | vedclass

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(A) The exine of the pollen grain is composed of a highly resistant organic material called $Sporopollenin$. $Sporopollenin$ is one of the most resist

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Sporopollenin

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(A) The exine of the pollen grain is composed 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 remarkable stability,pollen grains are well-preserved as fossils.

Pollen grains are well-preserved as fossils due to the presence of which substance?

Similar Questions

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

Which one of the following is surrounded by a callose wall?

$A$ microsporophyll bears $.....$.

Select the correct option in which the following terms are arranged in the correct developmental sequence:
$(A)$ Pollen grain
$(B)$ Pollen mother cell
$(C)$ Microspore tetrad
$(D)$ Male gametes
$(E)$ Sporogenous tissue

Pollen tablets are available in the market for . . . . . . .

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