491. Damage to thymus in a child may lead to:

A a reduction in haemoglobin content of blood
B a reduction in stem cell production
C loss of antibody mediated immunity
D loss of cell mediated immunity
Answer :   loss of cell mediated immunity
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492. First line of defence of body is

A Skin and Mucous membrane
B Neutrophils and monocytes
C Fever
D Interferon
Answer :   Skin and Mucous membrane
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493. Membrane attack complex (Mac) associated with

A B- lymphocytes
B Compliments system
C Macrophages
D T-lymphocytes MAC= It causes pores in invading microbes
Answer :   Compliments system
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494. A sexually transmitted disease caused by bacteria is

A Leprosy
B aids
C Syphilis
D Pertussis
Answer :   Syphilis
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495. Contractile vacuole is likely to be absent in

A Euglena
B Plasmodium
C Amoeba
D Paramoecium
Answer :   Plasmodium
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496. Which of the following is used in the treatment of Thyroid cancer

A I 131
B U238
C Ra224
D C14
Answer :   I 131
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497. In Malarial parasite schizont stage occurs in

A RBC of man
B Blood of Anopheles
C Stomach of Anopheles
D Salivary glands of Anopheles
Answer :   RBC of man
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498. NMR is considered superior to C.T. Scan because

A To obtain images in any plane.
B Imagingwith out radiation.
C Studying only hard part of body.
D Both A and B
Answer :   Both A and B
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499. Highest infant mortality rate in India is

A U.P.
B Bihar
C M.P.
D Rajasthan
Answer :   Rajasthan
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500. Power of regeneration is not found in

A Hirudinea
B Polycheta
C Oligochaeta
D All of the above
Answer :   Hirudinea
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