Assertion (A) Hierarchical system of classification is useful to reduce volumes description in a...

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Assertion (A) Hierarchical system of classification is useful to reduce volumes description in a catalogue of organism.
Reason (R) Characters of a larger category (like division) are not repeated for smaller/ lower categories (family and order).
AIIMS 2009
(a) Both \( A \) and \( R \) are true and \( R \) is the correct explanation of \( A \)
(b) Both \( A \) and \( R \) are true, but \( R \) is not the correct explanation of \( A \)
(c) \( A \) is true, but \( R \) is false
(d) Both \( \mathrm{A} \) and \( \mathrm{R} \) are false
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