Biology
Observe the diagrams (A) and (B) given below and answer the following questions.
(a) Label the parts 1 to 5.
(b) What does figure A depict?
(c) What does figure B depict?
(d) Comment on P and Q.
(e) Mention one function each of part 2 and 4.
Population
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Answer
(a) The parts 1 to 5 are labelled below:
- 1 → Sperm duct / Vas deferens
- 2 → Testis / Seminiferous tubule
- 3 → Oviduct / Fallopian tube
- 4 → Uterus
- 5 → Ovary
(b) Figure A depicts Vasectomy
(c) Figure B depicts Tubectomy
(d) P is the cut part of vas deferens while Q is the cut part of the oviduct. A small piece of oviduct in females and vas deferens in males is cut and then the remaining portions are ligated as a part of the contraceptive process of tubectomy and vasectomy respectively.
(e) One function each of part 2 and 4 is mentioned below:
- Part 2 (Testes) — They produce the sperm cells or sperms by the process of spermatogenesis.
- Part 4 (Uterus) — It's function is to nourish and house a fertilized egg until the fetus, or offspring, is ready to be delivered.
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