271. Exponential growth is shown by

A Unicellular forms.
B A cell in tissue culture.
C Embryo.
D Multicellular plants.
Answer :   A cell in tissue culture.
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272. Which one of the following statements is correct with respect to AIDS?

A The HIV can be transmitted through eating food together with an infected person
B Drug addicts are least susceptible to HIV infection
C AIDS patients are being fully cured cent per cent with proper care and nutrition
D The causative HIV retrovirus enters helper $$T$$ - lymphocytes thus reducing their numbers
Answer :   The causative HIV retrovirus enters helper $$T$$ - lymphocytes thus reducing their numbers
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273. In human beings, which part shows the minimum increase in weight from birth to adulthood

A Muscles
B Skelton
C Brain
D Fat
Answer :   Brain
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274. Where does exoerythrocyclic cycle take place in life cycle of Plasmodium

A RBC of human
B Human liver
C Stomach of Anopheles mosquito
D Salivary gland of anopheles mosquito
Answer :   Human liver
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275. To which type of barriers under innate immunity, to the saliva in the mouth and the tears from the eyes, belong

A Cellular barriers
B Physiological barriers
C Physical barriers
D Cytokine barriers
Answer :   Physiological barriers
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276. Interferon is

A Kill the virus in virus infected cell
B Kill the virus and destroy cancerous cell
C Stiulates the T.I.P. (Translation Inhibiting protein)
D None of the above
Answer :   Stiulates the T.I.P. (Translation Inhibiting protein)
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277. A person has long legs, female like appearance with breast (gyecomastia) and sterile will have one of the genetic compliment

A XO
B XXY
C XXO
D XXX
Answer :   XXY
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278. Reason of lung cancer

A Asbestos
B Calcium fluoride
C Cement factory
D Bauxite mining
Answer :   Asbestos
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279. Regeneration of a limbs or tail is an example of

A Compensatory hypertrophy
B Epimorphosis
C Morphallaxis
D Autotomy
Answer :   Epimorphosis
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280. Balika Samridhi yojna by ex; prime minister I-K Gujral launched

A October 2, 1997
B August 15, 1997
C April 2, 1997
D May 24th , 1997
Answer :   October 2, 1997
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