[a] Primary sex ratio: Sex at the time of conception |
[b] Secondary sex ratio: Sex at the time of enumeration |
[c] Tertiary sex ratio: Sex at the time of enumeration |
[d] lam balanced sex ratio: Sex of workers |
A) 1, 2, 3 and 4
B) 1, 3 and 4
C) 2 and 4
D) 1, 2 and 3
Correct Answer: C
Solution :
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