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Assertion. Hierarchial system of classif...

Assertion. Hierarchial system of classification is useful in that it reduces the volume of description in a catatogue of animals and plants.
Reason. Characters given for a larger category (say a phylum) need not be repeated for smaller categories (say classes, orders, etc.)

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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