CBSE 2025 · Region 2 · Set 3 · Q6 · 1 mark
Which of the following features correctly show the mechanism of sex- determination in honey-bees ?(i)A zygote formed from the union of a sperm and an egg develops into a male.(ii)Males have half the number of chromosomes as that of females.(iii)The females are diploid having $\displaystyle 32$ chromosomes.(iv)Males have a father and can produce sons. Choose the correct option :
Which of the following features correctly show the mechanism of sex- determination in honey-bees ?
(i)
A zygote formed from the union of a sperm and an egg develops into a male.
(ii)
Males have half the number of chromosomes as that of females.
(iii)
The females are diploid having $\displaystyle 32$ chromosomes.
(iv)
Males have a father and can produce sons. Choose the correct option :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
(ii) and (iii)
Principles of Inheritance and VariationSex DeterminationUnderstandmcqmedium
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CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.