Given below are two statements: One is labelled Assertion(A) and the other is labelled Reason(R).
Assertion (A) : Classification is the process by which anything is grouped into convenient categories based on some easily observable characters.
Reason (R) : There are 1.7 to 1.8 billion species that are known and described.
In the light of above statements, choose the correct answer from the options given below.

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(A) is not correct but (R) is correct

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

Both (A) and (R) are correct and (R) is the correct explanation of (A)

(A) is correct but (R) is not correct

answer is D.

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Detailed Solution

Classification is the process by which anything is grouped into convenient categories based on some easily observable characters. Classification is not a single step process but involves a hierarchy of steps in which each step represents a rank or category.

The number of species that are known and described range between 1.7-1.8 million. This refers to biodiversity or the number and types of organisms present on the earth.

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