Q:

AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through

A) eating contaminated food and water	B) transfusion of contaminated blood and blood products
C) inhaling polluted air	D) shaking hand with infected person

Answer & Explanation Answer: B) transfusion of contaminated blood and blood products

Explanation:

AIDS is caused by the Human Immuno deficiency Virus (HIV), a member of a group of viruses called retrovirus, which have an envelope enclosing the RNA genome. Transmission of HIV-infection generally occurs by (a) sexual contact with infected person, (b) by transfusion of contaminated blood and blood products, (c) by sharing infected needles as in the case of intravenous drug abusers and (d) from infected mother to her child through placenta.

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Filed Under: Biology
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2 987

Q:

The gas evolved when sodium carbonate reacts with hydrochloric acid is

A) Hydrogen	B) Chlorine
C) Hydrogen Chloride	D) Carbon dioxide

Answer & Explanation Answer: D) Carbon dioxide

Explanation:

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Filed Under: Chemistry
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Q:

Economic reasoning is based on the premise that

A) only economic decisions or actions have a cost associated with them	B) all decisions and actions have a cost associated with them
C) all decisions or actions are costless because costs shared among decision-makers	D) only decisions or actions that involve money have a cost associated with them

Answer & Explanation Answer: B) all decisions and actions have a cost associated with them

Explanation:

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Filed Under: Indian Economy
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Q:

An increase in the growth rate of the nominal money supply results in

A) Lower rate of inflation	B) Higher rate of inflation
C) Lower interest rates	D) Currency appreciation

Answer & Explanation Answer: B) Higher rate of inflation

Explanation:

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Filed Under: Indian Economy
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
Inspite of the doctor's stern warning (1)/ Latika continued taking (2)/ sugars in her milk. (3)/ No Error (4)

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: C) 3

Explanation:

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Filed Under: English
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Q:

What is the action of dry HCl gas on dry litmus paper?

A) Blue litmus paper turns white	B) Blue or red litmus paper does not change its colour
C) Blue litmus paper turns red	D) Red litmus paper turns blue

Answer & Explanation Answer: B) Blue or red litmus paper does not change its colour

Explanation:

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Filed Under: Chemistry
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Q:

Acacia arabica is the scientific name of

A) Neem	B) Teak
C) Babhul	D) Pomegranate

Answer & Explanation Answer: C) Babhul

Explanation:

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Filed Under: Biology
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Q:

Thin filaments are composed of

A) Actin	B) Tropomyosin
C) Troponin	D) All of the above

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