For the following questions answer them individually
Biochemical Oxygen Demand (BOD) may not be a good indexfor pollution for water bodies receiving effluents from
Match Column—I with Column—II for housefly classification and select the correct option using the codes given below :
Study the four statements (A-D) given below and select the two correct ones outof 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
The two correct statements are