Question

Which of the following options is correct?

	Haploid	Diploid
(a)	Secondary oocyte	Primary spermatocyte
(b)	Secondary spermatocyte	Secondary oocyte
(c)	Primary oocyte	Secondary spermatocyte
(d)	Ovum	Spermatid

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (A)

Secondary oocyte is formed by meiotic division of primary oocyte $(2n)$, therefore, it is haploid. Primary spermatocyte is formed by mitotic division of spermatogonium $(2n)$, therefore it is diploid.