1.

Regarding assertion and reason, select the right option.Assertion (A): Pollen grains have a tough outer covering.Reason (R): Pollen grains differs in size, shape, colour and design.

Answer»

Regarding assertion and reason, select the right option.


Assertion (A): Pollen grains have a tough outer covering.

Reason (R): Pollen grains differs in size, shape, colour and design.





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