Multiple Choice Questions

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The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and small bronchi are known as

  • squamous epithelium

  • columnar epithelium

  • ciliated epithelium

  • cuboidal epithelium


C.

ciliated epithelium

Ciliated epithelium is a region of epithelium consisting of columnar or cuboidal cells bearing hairlike appendages that are capable of beating rapidly. It performs the functions of moving particles of fluids over the epithelial surface.

Cuboidal epithelium is found in ducts of glands and tubular parts of nephrons in kidney.

Columnar ciliated epithelium occurs in fallopian tubules, nasal passages, bronchioles, small bronchi and buccopharyngeal cavity of frog.


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Intermediate host is absent in the infection of

  • Plamosdium

  • Trypanosoma

  • Entamoeba

  • Filarial worm


Which one of the following is a sesamoid bone?

  • Pelvis

  • Patella

  • Pterygoid

  • Pectoral girdle


Which of the following nerves arises from organ of Corti?

  • Olfactory nerve

  • Cochlear nerve

  • Abducens nerve

  • None of these


Duodenum has characteristic Brunner's gland which secretes two hormones called

  • prolactin, parathormone

  • secretin, cholecystokinin

  • enterocrinin, duocrinin

  • gastrin, enterogastrone


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Which of the following is the characteristic of PS-I?

  • It is active only upto 680 nm of light.

  • The reaction centre of PS- I is P680.

  • PS- I is reduced by the electrons released in photolysis of water.

  • PS-I is involved in non-cyclic photophosphorylation.


Respiration is controlled by

  • medulla oblongata

  • cerebellum

  • hypothalamus

  • cerebrum


Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?

  • Morphine

  • Valium

  • Amphetamines

  • Hashish


Which one feature is common to leech, cockroach and scorpion?

  • Nephridia

  • Ventral nerve cord

  • Cephalization

  • Antennae


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What is diapedesis?

  • A kind of amoeboid movement.

  • The process of filtration of urea in kidney.

  • A type of locomotion found in Hydra

  • Migration of WBCs into the tissue spaces from blood capillaries