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Which statement is correct ? (A) R.H.W...

Which statement is correct ?
(A) R.H.Whittaker proposed five kingdom classification
(B) In zoological parks wild animals are kept in protected environments
(C) Keys are generally analytical in nature
(D) Keys are based on the contrasting characters

A

Only A, B

B

Only B, C

C

Only C, D

D

A,B,C and D

Text Solution

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The correct Answer is:
D
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