Q. Consider the following four statements (A-D) and select the option which includes all the correct ones only :-
(A)Branching descent and natural selection are two key concepts of Darwin theory of evolution.
(B) Darwinian theory of evolution is based on reproductive fitness
(C) Mutations are small and directional
(D) Saltation is the single step large mutation

 211  149 NTA AbhyasNTA Abhyas 2020 Report Error

Solution:

A