Reason(r): Concept of biological species is centred around the question of how reproductive isolation comes about
A. Both (A. and (r) are correct, but (r) is not the explanation for (a)
B. Both (a) and (r) are correct, (r) is the correct explanation for (a)
C. (a) and (r) both are incorrect
D. (a) is true, (r) is incorrect
Answer:B
Reason(r): Concept of biological species is centred around the question of how reproductive isolation comes about
A. Both (A. and (r) are correct, but (r) is not the explanation for (a) B. Both (a) and (r) are correct, (r) is the correct explanation for (a) C. (a) and (r) both are incorrect D. (a) is true, (r) is incorrect