In the homeostatic control of blood sugar level, which organs function as modulator and effector respectively?

(1) Liver and islet of Langerhans

(2) Hypothalamus and liver

(3) Hypothalamus and islet of Langerhans

(4) Islet of Langerhans and hypothalamus

The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone

1. calcitonin 

2. prolactin

3. adrenaline

4. melatonin

A gland called ‘Clock of ageing’ that gradually reduces and degenerates in ageing is

1. thyroid
2. thymus
3. parathyroid
4. pituitary

In a child of 15 years age, plasma calcium level is diagnosed below optimum level.Which organ is malfunctioning?

1. Thyroid gland

2. Liver

3. Parathyroid

4. Posterior lobe of pituitary

Assertion             :       Aldosterone increases the volume of blood and other extracellular fluids.

Reason     :     The secretion of aldosterone is stimulated by a fall in the circulating volume of blood.

Assertion  :     Adrenal cortex can be removed without causing death.          

Reason     :     Adrenal cortex is not vital for survival.

Assertion   :       FSH is also known as interstitial cell stimulating hormone.

Reason      :       It is because of the fact that FSH stimulates the interstitial cells of testis.

Assertion   :       Failure of secretion of somatotropin from an early age causes dwarfism in the patient.

Reason      :       Somatotropin hormone stimulates the body growth and elongation of long bones.

Assertion   :       Oxytocin is also known as Anti Diuretic hormone (ADH).

Reason      :       Oxytocin can cause an increase in the renal reabsorption of water.

Assertion   :       Failure of secretion of thyroid gland hormones from childhood causes cretinism disease.

Reason      :       Thyrotropin hormone maintains BMR and promote growth of body tissues.