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Solution


Q.

Dramatic changes of body features associated with puberty are mainly because of secretion of:
1 Estrogen from testes and testosterone from ovary  
2 Estrogen from adrenal gland and testosterone from pituitary gland  
3 Testosterone from testes and estrogen from ovary  
4 Testosterone from thyroid gland and estrogen from pituitary gland  

Ans.

(3)

The release of oestrogen and testosterone is associated to puberty changes. In females, oestrogen is secreted from the ovary, while testosterone is secreted from the testes in males.