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 Multiple Choice QuestionsMultiple Choice Questions

91.

The protein products of tumour suppressor gene may

  • Be present in non-cancerous cells

  • Cause signal cell death

  • Regulate the cell cycle

  • All of the above


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92.

In mammals, histamine is secreted by

  • Fibroblasts

  • Histocytes

  • Lymphocytes

  • Mast cells


D.

Mast cells

Histamine is a potent vasodilator formed by decarboxylation of the amino acid histidine and released by mast cells in response to appropriate antigens.

Mast cells which secrete histamine are especially prevalent in the connective tissue of the skin and respiratory tract and in surrounding blood vessels.


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93.

Active immunity means

  • Resistance developed after disease

  • Increasing quantity of blood

  • Resistance developed before the disease

  • Increasing rate of heart beat


94.

Which of the following is mismatched?

  • Vitamin K- Beriberi

  • Vitamin D-Rickets

  • Vitamin C - Scurvy

  • Vitamin A-Xerophthalmia


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95.

Secondary body cavity with segmented mesodermal lining is called

  • Haemocoel

  • Neurocoel

  • True Coelom

  • Pseudocoelom


96.

Vaccine for tuberculosis is known as

  • PAS vaccine

  • BCG vaccine

  • OPVA

  • DPT


97.

Sir Godfrey Hounsfield developed the diagonosi technique of

  • CT scanning

  • MRI

  • Endoscopy

  • Bronchoscopy


98.

Alcoholism may leads to

  • Skin cancer

  • Liver cirrhosis

  • Viral disease

  • Eye Infection


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99.

Aspirin is a/an

  • antibiotic

  • antipyretic

  • antiseptic

  • none of the above


100.

Sporogony of malarial parasite occurs in

  • liver of man

  • RBCs of man

  • salivary glands of mosquito

  • stomach wall of mosquito


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