Home Biology The Living World Previous Year Questions Study the four statements (A–D) given below …
Biology The Living World Previous Year Questions Single Correct MCQ
Published on: August 13, 2026

Study the four statements (A–D) given below and select the two correct ones out of them :

A
Definition of biological species was given by Ernst Mayr. A and D
B
Photoperiod does not affect reproduction in plants. A and B
C
Binomial nomenclature system was given by R.H. Whittaker. B and C
D
In unicellular organisms, reproduction is synonymous with growth. The two correct statements are C and D

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Text Solution

Verified by Experts
The correct answer is:
A

• Ernst Mayr → Biological species concept

• In unicellular organisms, reproduction ≈ growth

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