The secretion of testosterone and estrogen by testes and ovaries respectively is under the control of endocrine gland X. Endocrine gland X is ____________.

Q.

Question 28
Dramatic changes of body features associated with puberty are mainly due to the secretion of

(a) estrogen from testes and testosterone from the ovary
(b) estrogen from adrenal gland and testosterone from pituitary gland
(c) testosterone from testes and estrogen from the ovary
(d) testosterone from the thyroid gland and estrogen from pituitary gland

Q. The dramatic changes in body features associated with puberty are mainly because of the secretions of :
(a) estrogen 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

Q. Name the endocrine gland which ​ controls the production of sex ​ hormones ‘testosterone’ and ‘estrogen’.

Q. (a) Name the hormones secreted by the following endocrine glands :
(i) Thyroid gland
(ii) Parathyroid glands
(iii) Pancreas
(iv) Adrenal glands
(b) Write the functions of testosterone and oestrogen hormones.

Q.

Question 15
Select the mismatched pair

(a) Adrenaline: Pituitary gland
(b) Testosterone: Testes
(c) Estrogen : Ovary
(d) Thyroxine: Thyroid gland