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Assertion : Sporopollenin preserves poll...

Assertion : Sporopollenin preserves pollen in fossil deposits.
Reason : Sporopollenin is resistant to physical and biological decomposition

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Sporopollenin in exine of pollen grain can be degraded by

Sporopollenin in exine of pollen grain can be degraded

Sporopollenin in exine of pollen grain can be degraded

Assertion : Exine of a pollen grain is made up of sporopollenin which is resistant to high temperature, strong acid or alkali as well as enzymatic degradation. Reason : Sporopollenin is absent in the region of germ pores.

Assertion : Exine of a pollen grain is made up of sporopollenin which is resistant to high temperature, strong acid or alkali as well as enzymatic degradation. Reason : Sporopollenin is absent in the region of germ pores.

Assertion : Exine of a pollen grain is made up of sporopollenin which is resistant to high temperature, strong acid or alkali as well as enzymatic degradation. Reason : Sporopollenin is absent in the region of germ pores.

Assertion : Exine of a pollen grain is made up of sporopollenin which is resistant to high temperature, strong acid or alkali as well as enzymatic degradation. Reason : Sporopollenin is absent in the region of germ pores.