Study the four statements (I-IV) given below and select the two correct ones out of them:
1. | Definition of biological species was given by Ernst Mayr. |
2. | Photoperiod does not affect reproduction in plants. |
3. | Binomial nomenclature system was given by RH Whittaker. |
4. | In unicellular organisms, reproduction is synonymous with growth. |
The two correct statements are:
1. II and I
2. III and IV
3. I and IV
4. I and II