Multiple Choice Questions

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The reabsorption of water in the kidney is under the control of

  • LH

  • ADH

  • STH

  • ACTH


B.

ADH

Antidiuretic hormone (ADH) controls the tubular permeability and concentration of sodium in the extracellular fluid. It associates with the renal pressure system and then regulates the fluid volume of body through the agency of hypothalamic osmoreceptors.


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Which vitamin should not be stored ?

  • Calciferol

  • Retinal

  • Niacin

  • Ascorbic acid


A sponge harmful to oyster industry is

  • Cliona

  • Euspongia

  • Hyalonema

  • Spongilla


A man of 'A' blood group marries a woman of 'AB' blood group, which type of progeny would indicate that man is heterozygous ?

  • O

  • B

  • A

  • AB


In sea anemone, the symmetry is

  • radial

  • bilateral

  • spherical

  • absent


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Which of following organ can be called a sort of "blood bank" ?

  • Heart

  • Spleen

  • Liver

  • Lungs


Eustachian canal connects

  • middle ear with external ear

  • middle ear with internal ear

  • external ear with internal ear

  • pharynx with middle ear


The vital capacity of human being is about

  • 1200 mL

  • 4800 mL

  • 2400 mL

  • 3600 mL


During meiosis crossing over occurs at

  • pachytene

  • zygotene

  • leptotene

  • diakinesis


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The hormone which stimulates constriction of gall bladder

  • gastrin

  • secretin

  • glucagon

  • cholecystokinin