Question

(a) Which one of the following is a secondary sexual character in boys?

(i) growth in height

(ii) growth of facial hair such as moustaches and beard

(iii) acne and pimples on face

(iv) change in voice

(b) Reproductive phase starts in girls when

(i) breast size increases.

(ii) facial hair such as moustaches and beard grow.

(iii) menstrual cycle begins.

(iv) All of these.
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Answer 1

Answer:

in 2 and 1 and 4 is the correct option

Answer 2

Answer:

In question (a) option (ii), (iii) and (iv) thrice of them can be considered as secondary sexual characteristics in boys: and in ques. (b) option (iii) is correct

Explanation:

Answer of ques. (b) is correct, however you can prefer option (ii) in ques. (a)