Respiration is controlled by from Biology NEET Year 2009 Free So

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

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


2.

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

  • Morphine

  • Valium

  • Amphetamines

  • Hashish


3.

Which of the following nerves arises from organ of Corti?

  • Olfactory nerve

  • Cochlear nerve

  • Abducens nerve

  • None of these


4.

Intermediate host is absent in the infection of

  • Plamosdium

  • Trypanosoma

  • Entamoeba

  • Filarial worm


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5.

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

  • Nephridia

  • Ventral nerve cord

  • Cephalization

  • Antennae


6.

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


7.

Which one of the following is a sesamoid bone?

  • Pelvis

  • Patella

  • Pterygoid

  • Pectoral girdle


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8.

Respiration is controlled by

  • medulla oblongata

  • cerebellum

  • hypothalamus

  • cerebrum


A.

medulla oblongata

Medulla oblongata is the primary respiratory control center. Its main function is to send signals to the muscles that control respiration to cause breathing to occur.


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9.

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

  • prolactin, parathormone

  • secretin, cholecystokinin

  • enterocrinin, duocrinin

  • gastrin, enterogastrone


10.

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.


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