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Question

Go through the following statements regarding a substance which enable pollen grain to tolerate in extremely adverse condition and choose correct option.
I. It form the exine of pollen grain.
II. It is one of the resistant organic material.
III.It contain a aperture called germ pore where it is present.
IV. It can withstand high temperatures and strong acids.
V. Still new no enzyme has been discovered which can degrade it.

A
All statements are correct and belong to sporopollenin.
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B
All statements are correct and belong to lignin.
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C
Statements I, II, Ill and IV are correct and belong to sporopollenin.
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D
Statements I, II, IV and are correct and belong to sporopollenin.
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Solution

The correct option is C Statements I, II, Ill and IV are correct and belong to sporopollenin.
Sporopollenin is one of the most chemically inert organic material. It forms the tough outer exine of pollen grain and spores. It is contained within an aperture called germ pore. Being chemically inert it can withstand strong acids and high temperatures also.
Hence, the correct answer is option C.

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