Which of the following is correct? from Biology Chemical Coordin

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 Multiple Choice QuestionsMultiple Choice Questions

61.

Which one of the following is not derived from plants

  • Opioids

  • Cocaine

  • DDT

  • Cannabinoid


62.

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.


63.

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
    α- cells of islets of Langerhans Glucagon Uptake of glucose into the cell

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65.

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


66.

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.


67.

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.


68.

Catecholamine in a normal person induces

  • intense salivation

  • alertness

  • decrease in heart beat

  • excessive urination.


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69.

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.


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70.

Which of the following is correct?

  • Paneth cells secrete pepsinogen

  • Parietal cells secrete hydrochloric acid

  • Argentaffin cells secrete mucus

  • Chief cells secrete gastrin


B.

Parietal cells secrete hydrochloric acid

Parietal cells are present in the epithelium of the gastric glands. They are large and are present on the side walls of the glands. They are also called oxyntic cells as they stain strongly with eosin. They secrete hydrochloric acid and Castle intrinsic factor.


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