Multiple Choice Questions

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Movements by pseudopodia of Amoeba are due to change in

  • pressure

  • atmosphere

  • temperature

  • viscosity


B.

atmosphere

Sol- gel theory of amoeboid movement was first given by Hyman, later supported by Pantin (1923) and Mast (1926). According to this theory, amoeboid locomotion is due to change in the viscosity of cytoplasm.


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Protein present in silk fibre is

  • caesin

  • keratin

  • elastin

  • fibroin


Solenocytes are associated with

  • respiration

  • digestion

  • excretion

  • nutrition


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


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In sea anemone, the symmetry is

  • radial

  • bilateral

  • spherical

  • absent


Moulting hormone is secreted by

  • corpora cardacum

  • corpora allata

  • neurosecretory hormone

  • prothoracic gland


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


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Compond squamous epithelium is found in

  • stomach

  • intestine

  • trachea

  • pharynx