Given below are two statements: One is labelled Assertion(A) and the other is labelled Reason(R).
Assertion (A) : Two kingdom classification used for long time was found inadequate.
Reason (R) : In two kingdom system characters like cell structure, nature of wall, mode of nutrition, habitat, methods of reproduction evolutionary relationships were not considered.
In the light of above statements, choose the correct answer from the options given below.

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

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

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

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

answer is A.

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Detailed Solution

A is true. In the two kingdom system of classification, organisms are divided into two kingdoms (plants and animals). The two kingdom system of classification was given by Carolus Linnaeus.

R is also true. Linnaeus did not consider various detailed criteria to classify organisms into different kingdoms. Hence, two kingdom classification is insufficient to group organisms.

Hence, R explains A.

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