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 regulates the osmotic pressure of body fluids by causing the kidneys to increase water reabsorption.

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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Protein present in silk fibre is

  • caesin

  • keratin

  • elastin

  • fibroin


In sea anemone, the symmetry is

  • radial

  • bilateral

  • spherical

  • absent


Moulting hormone is secreted by

  • corpora cardacum

  • corpora allata

  • neurosecretory hormone

  • prothoracic gland


Movements by pseudopodia of Amoeba are due to change in

  • pressure

  • atmosphere

  • temperature

  • viscosity


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Solenocytes are associated with

  • respiration

  • digestion

  • excretion

  • nutrition


From outer to inside the sequence of three bones present in the middle ear of mammals is

  • malleus, stapes and incus

  • stapes, malleus and incus

  • malleus, incus and stapes

  • incus, malleus and stapes


The cavity of diencephalon is known as

  • I ventricle

  • II ventricle

  • III ventricle

  • iter


Compond squamous epithelium is found in

  • stomach

  • intestine

  • trachea

  • pharynx


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Which vitamin should not be stored?

  • Calciferol

  • Retinol

  • Niacin

  • Ascorbic acid