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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