Question

The following chart depicts the fertilization between male and female during sexual production.

Male reproductive organ$⟶P⟶$ Male gametes $⟶R\searrow$

Zygote

Female reproductive organ $⟶Q⟶$ Female gametes $⟶S\nearrow$

Which is true for $P,Q,S$ and $R$ from the following?

Sr. No.	$P$	$Q$	$R$	$S$
$1.$	Sperms	Testis	Ova	Ovary
$2.$	Testis	Ovary	Sperm	Ova
$3.$	Uterus	Penis	Ova	Sperms
$4.$	Penis	Uterus	Sperms	Ova

• A. Sequence - 3
• B. Sequence - 2
• C. Sequence - 1
• D. Sequence - 4

Answer 1

Answer: (B)

The label P refer to the testes which are the male reproductive organ.

The label Q refer to the ovary which are the female reproductive organ.
The label R refer to the sperms. The testes produces male gametes or sperms.
The label S refer to the ova and the ovary produces the ova or the female gametes.

Thus, the correct answer is option B.