In artificial hybridisation approach, if the female parent plant is unisexual, there is no need for emasculation. What is the reason?

Question 1: In artificial hybridisation in unisexual flowers, there is no need of emasculation of the female parent.

Correct: a)

Explanation: Emasculation removes anthers from bisexual flowers to prevent self-pollination in the female parent. Unisexual female flowers lack anthers, so no emasculation needed.

Question 2: The cells that secrete androgen.

Correct: b) Leydig cells

Explanation: Leydig cells (interstitial cells) in testes secrete testosterone, the main androgen. Sertoli cells support spermatogenesis but do not secrete androgen.

Question 3: Sexually transmitted infection that can be completely curable.

Correct: a) Gonorrhoea

Explanation: Gonorrhoea (bacterial) is curable with antibiotics. Hepatitis B, AIDS, and genital herpes are viral and not completely curable.

1. a
2. b
3. a