Find $\mathrm{A}$ and $\mathrm{B}$ in the figure

In rabbit, head of the epididymis present at the head of the testis is called

Find out $A, B$ and $C$ in the figure given below

In which of the following animal cleavage divisions are restricted to a small part of cytoplasm & nucleus in animal pole of egg

Assertion : Old age is not an illness. It is a continuation of life with decreasing capacity for adaptation.

Reason : Cessation of mitosis is a normal genetically programmed event.