Question

Observe the diagram A and B given below:

(i) Label parts 1 – 5.

(ii) What does diagram A depict?

(iii) What does diagram B depict?

(iv) What comment on X and Y.

(v) State one function each of part 2 and 4.

Answer 1

(i) 1. Vas deferens

2. Testis

3. Oviduct

4. Uterus

5. Ovary.

(ii) Diagram A depicts vasectomy in males (i.e., cutting and tying the vas deferens).

(iii) Diagram B depicts tubectomy in females (i.e., cutting and typing the oviducts).

(iv) ‘X’ represents the cut and tied end of vas deferens in male. Cutting and tying of vas deferens prevents the passage of sperms and avoids pregnancy. ‘Y’ represents the cut and tied ends of oviducts of female. Cutting and tying of oviducts prevents the passage of ovum and avoids pregnancy.

(v) Part 2 (Testis) produces sperms (male gametes).

Part 4 (Uterus) carries and protects the foetus till its birth.