Compared to a bull, a bullock is docile because of:
1. higher levels of thyroxin
2. higher levels of cortisone
3. lower levels of blood testosterone
4. lower levels of adrenalin/noradrenalin in its blood

Sertoli cells are regulated by the pituitary hormone known as:
1. FSH
2. GH
3. Prolactin 
4. LH

A steroid hormone which regulates glucose metabolism is:

1. cortisol

2. corticosterone

3. 11- deoxycorticosterone

4. cortisone

Which one of the following is not a second messenger in hormone action ?

1. cGMP                 

2. Calcium

3. Sodium               

4. cAMP

Which of the following is an accumulation and release centre of neurohormones?
1. Posterior pituitary lobe
2. Intermediate lobe of the pituitary
3. Hypothalamus 
4. Anterior pituitary lobe

Which hormone causes dilation of blood vessels, increased oxygen consumption and gluco-genesis ?

1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon

Castration cells are found in 

1. adenohypophysis

2. pars intermedia

3. hypothalamus 

4. pars nervosa.

Study the given figure showing various human endocrine glands. Select the correct statement(s) regarding these.

(i) Gland P is stimulated to secrete its hormones by thyrotropin secreted by anterior lobe of pituitary gland.

(ii) Gland R is associated with the secretion of hormones corticosteroids, epinephrine and norepinephrine.

(iii) Glands T and U represent the sex glands, which are derived from the mesoderm of embryo.

(iv) Gland Q is derived from mesoderm of the embryo and its increased size results in ageing.

(v) Gland S secretes the hormone glucagon which stimulates the liver to convert glucose into glycogen.

1. (i) and (ii)                 

2. (ii) and (iv)

3. (i), (ii) and (iii)           

4. All are correct

Name the hormone associated with the metabolism of phosphorus and calcium ?

1. glucocorticoids

2. mineralocorticoids

3. calcitonin

4. glucagon

Which is not a symptom of hyperglycaemia?
1. Loss of weight
2. Breakdown of muscle tissue
3. High blood glucose level
4. Diplopia