Multiple Choice Questions

Advertisement

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.


Advertisement

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 reabsorption of water in the kidney is under the control of

  • LH

  • ADH

  • STH

  • ACTH


Protein present in silk fibre is

  • caesin

  • keratin

  • elastin

  • fibroin


Advertisement

In sea anemone, the symmetry is

  • radial

  • bilateral

  • spherical

  • absent


Compond squamous epithelium is found in

  • stomach

  • intestine

  • trachea

  • pharynx


Solenocytes are associated with

  • respiration

  • digestion

  • excretion

  • nutrition


The cavity of diencephalon is known as

  • I ventricle

  • II ventricle

  • III ventricle

  • iter


Advertisement

Which vitamin should not be stored?

  • Calciferol

  • Retinol

  • Niacin

  • Ascorbic acid