Multiple Choice Questions

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In sea anemone, the symmetry is

  • radial

  • bilateral

  • spherical

  • absent


A.

radial

In radial symmetry, body is divided into two similar halves by more than two planes passing through the main axis.

Cnidarians or coelenterates such as Hydra, sea anemone, AureliaObelia etc are radially symmetrical animals with cell- tissue grade of body organizations.


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Protein present in silk fibre is

  • caesin

  • keratin

  • elastin

  • fibroin


Solenocytes are associated with

  • respiration

  • digestion

  • excretion

  • nutrition


Movements by pseudopodia of Amoeba are due to change in

  • pressure

  • atmosphere

  • temperature

  • viscosity


The cavity of diencephalon is known as

  • I ventricle

  • II ventricle

  • III ventricle

  • iter


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Which vitamin should not be stored?

  • Calciferol

  • Retinol

  • Niacin

  • Ascorbic acid


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

  • LH

  • ADH

  • STH

  • ACTH


Compond squamous epithelium is found in

  • stomach

  • intestine

  • trachea

  • pharynx


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


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Moulting hormone is secreted by

  • corpora cardacum

  • corpora allata

  • neurosecretory hormone

  • prothoracic gland