
Read the following statements about the parathyroid gland and identify the true and false ones. Select the correct option after referring to the given table.
I. Human beings have a pair of parathyroid glands, situated in each lobe of the thyroid gland.
II. The secretion of PTH is regulated by the levels of circulating calcium ions.
III. PTH is a hypocalcemic hormone.
IV. PTH plays a major role in maintaining calcium balance in the body along with TCT.

Important Questions on Chemical Control and Coordination









Which of the following are not the effects of parathyroid hormone?
(a) Stimulates the process of bone resorption.
(b) Decreases level in blood.
(c) Reabsorption of by renal tubules.
(d) Decreases the absorption of from digested food.
(e) Increases metabolism of carbohydrates.
Choose the most appropriate answer from the options given below:


Match the following.
Set-I | Set-II | ||
(A) | Cretinism | (I) | Adult hypothyroidism |
(B) | Simple goitre | (II) | Congenital hypothyroidism |
(C) | Cushing's syndrome | (III) | Iodine deficient diet-induced hypothyroidism |
(D) | Myxedema | (IV) | Hypersecretion of glucocorticoids |
The correct match is






Which of the following are NOT under the control of thyroid hormone?
A. Maintenance of water and electrolyte balance
B. Regulation of basal metabolic rate
C. Normal rhythm of sleep-wake cycle
D. Development of immune system
E. Support the process of R.B.C.s formation
Choose the correct answer from the given options:

Study the following statements about hormones
Thyroxine and cortisol stimulate erythropoiesis.
Oxytocin and progesterone are identical in function regarding maintenance of pregnancy.
Aldosterone and atrial natriuretic peptide are antagonistic regarding renal reabsorption of Na.
Luteinizing hormone is a cholesterol derivative.
Select the correct statement.


