Which one of the following is not derived from plants

• Opioids

• Cocaine

• DDT

• Cannabinoid

Assertion: ADH and RAAS work in response to low blood volume and blood pressure.

Reason: ANF works in response to high blood volume and blood pressure.

• If both assertion and reason are true and reason is the correct explanation of assertion. 

• If both assertion and reason are true but reason is not the correct explanation of assertion. 

• If assertion is true but reason is false. 

• If both assertion and reason are false.

Select the correct statement about hormones and their actions.

• Parathyroid hormone increases K absorption of the body.

• Insulin and glucagon helps to maintain blood sugar levels.

• Old aged people have weak immunity due to increased activity of thymus.

• Osteoporosis in women occurs due to increased levels of oestrogens.

64.

Match the source gland with its respective hormone and function and select the correct option.

• Source gland	Hormone	Function
  Anterior pituitary	Oxytocin	Contraction of uterine muscle

• Source gland	Hormone	Function
  Anterior pituitary	Vasopressin	Induces reabsorption of water in nephron

• Source gland	Hormone	Function
  Thymus	Thymosin	Proliferation of T- lymphocytes

• Source gland	Hormone	Function
  $\mathrm{\alpha }$- cells of islets of Langerhans	Glucagon	Uptake of glucose into the cell

Which of the following pairs of hormones can easily pass through the cell membrane and binds to a receptor inside it (mostly in the nucleus)

• Insulin, glucagon

• Thyroxine, insulin

• Somatostatin, oxytocin

• Cortisol, testosterone

Assertion: The immune responses of old persons become weak.

Reason: Thymus is degenerated in old individuals resulting in a decreased production of thymosin

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion: Adrenocorticotropic-Releasing Hormones (ARH) excite the anterior lobe of
pituitary gland to produce adrenocorticotropic hormone (ACTH).

Reason: ACTH stimulates the adrenal cortex to secrete its glucocorticoid and mineralocorticoid hormones.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Catecholamine in a normal person induces

• intense salivation

• alertness

• decrease in heart beat

• excessive urination.

Assertion: Less iodine intake causes goitre.

Reason: Less iodine in body decreases thyroxine secretion

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Which of the following is correct?

• Paneth cells secrete pepsinogen

• Parietal cells secrete hydrochloric acid

• Argentaffin cells secrete mucus

• Chief cells secrete gastrin