Adrenal gland is derived from from Biology Chemical Coordination

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

81.

Assertion : Aldosterone is a steroid hormone and is important in the control of sodium and potassium ion concentration in mammals.

Reason : It upgrades sodium ion concentration in the ECF by promoting reabsorption of sodium ions from renal tubules and excretion of potassium ions in urine.

  • 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


82.

Which one of the following four secretions is correctly matched with its source, target and nature of action?

  • Secretion Source Target Action
    Gastrin Stomach lining Oxyntic cells Production of HCl
  • Inhibin Sertoli cells Hypothalamus Inhibition of secretion of gonadotropin releasing hormone
  • Enterokinase Duodenum Gall bladder Release of bile juice
  • Atrial Natiuretic Factor (ANF) Sinu atrial node (SAN) M- cells of Atria Juxta- glomerular apparatus (JGA) Inhibition of release of renin

83.

Tadpoles of frog can be made to grow as giant sized tadpoles, if they are

  • administered antithyroid substance like thiourea

  • administered large amounts of thyroxine

  • reared on a diet rich in egg yolk

  • reared on a diet rich in both egg yolk and glucose.


84.

Which one of the following four glands is correctly matched with the accompanying description ?

  • Thyroid - hyperactivity in young children causes cretinism

  • Thymus - starts undergoing atrophy after puberty

  • Parathyroid - secretes parathormone which promotes movement of calcium ions from blood into bones during calcification

  • Pancreas - Delta cells of the Islets of Langerhans secrete a hormone which stimulates glycolysis in liver


Advertisement
85.

Assertion: Our body secretes adrenaline in intense cold.

Reason: Adrenaline raises metabolic rate.

  • 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.


86.

The source of somatostatin is same as that of

  • thyroxine and calcitonin

  • insulin and glucagon

  • somatotropin and prolactin

  • vasopresin and oxytocin


87.

Assertion: Diabetes insipidus is marked by excessive urination and too much thirst of water.

Reason: Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland,

  • 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.


88.

Which is not a gonadal hormone

  • Progesterone

  • Testosterone

  • Adrenalin

  • Estrogen


Advertisement
Advertisement

89.

Adrenal gland is derived from

  • ectoderm

  • mesoderm

  • endoderm

  • both (a) and (b)


D.

both (a) and (b)

Adrenal gland consists of two different parts, ie, cortex and medulla. Cortex (outer) is the major (80%) part which is derived from mesoderm while medulla (inner) is derived from ectoderm.


Advertisement
90.

Which endocrine gland becomes inactive in old age

  • Adrenal

  • Thymus

  • Pineal

  • Pituitary


Advertisement