The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
A gland called ‘Clock of ageing’ that gradually reduces and degenerates in ageing is
In a child of 15 years age, plasma calcium level is diagnosed below optimum level.Which organ is malfunctioning?
1. Thyroid gland
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.
Assertion : The tadpoles become giant tadpoles when fed on thiourea.
Reason : Thiourea is an antithyroid substance.