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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.B. Photoperiod does not affect reproduction in plants.C. Binomial nomenclature system was given by R. H. Whittaker.D. In unicellular organisms, reproduction is synonymous with growth.

  1. A
    A and B
  2. B
    B and C
  3. C
    C and D
  4. D
    A and D

Solution & Step-by-step Explanation

- A is correct: Ernst Mayr gave the biological concept of species.B is incorrect: Photoperiod significantly affects reproduction in plants.C is incorrect: Carolus Linnaeus gave Binomial nomenclature.D is correct: In single-celled organisms, cell division is both growth and reproduction.

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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.B. Photoperiod does not affect reproduction in plants.C. Binomial nomenclature system was given by R. H. Whittaker.D. In unicellular organisms, reproduction is synonymous with growth.
A
A and B
B
B and C
C
C and D
D
A and D

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