question_answer 54)

  Dramatic changes of body features associated with puberty are mainly because of secretion of (a) oestrogen from testes and testosterone from ovary (b) estrogen from adrenal gland and testosterone from pituitary gland (c) testosterone from testes and estrogen from ovary (d) testosterone from thyroid gland and estrogen from pituitary gland

Answer:

                   

Gland	Hormone	Function
Testes (only in males)	Testosterone	To control the development of male sex organs and male features as deep voice, etc., i.e., changes associated with puberty.
Ovaries (only in females)	Oestrogen	To control the development of female sex organs and female features as soft skin, etc.
	Progesterone	To control uterus changes during menstrual cycle and helps in maintenance of pregnancy.