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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2 750

Q:

What happens when one S and one P orbital is hybridized?

A) We get three orbitals in a plane	B) We get two orbitals at 180 degrees
C) We get two mutually perpendicular orbitals	D) We get four orbitals directed tetrahedrally

Answer & Explanation Answer: B) We get two orbitals at 180 degrees

Explanation:

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Filed Under: Chemistry
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Q:

Which committee was set up to review the concept of the poverty line?

A) S Tendulkar Committee	B) Lakdawala Committee
C) Wanchoo Committee	D) Dutt Committee

Answer & Explanation Answer: A) S Tendulkar Committee

Explanation:

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Filed Under: Indian Politics
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Q:

How many triangles are there in the given figure?

A) 18	B) 19
C) 20	D) 21

Answer & Explanation Answer: C) 20

Explanation:

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Filed Under: Verbal Reasoning - Logical Deduction

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Q:

The instrument that measures the ______________ is called an anemometer.

A) wind speed	B) pressure
C) humidity	D) rainfall

Answer & Explanation Answer: A) wind speed

Explanation:

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Filed Under: Physics
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Q:

If an object is placed at the center of curvature of a concave mirror, then the image formed will be

A) virtual and enlarged	B) virtual and diminished
C) real and of the same size	D) real and enlarged

Answer & Explanation Answer: C) real and of the same size

Explanation:

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Filed Under: Physics
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Q:

Which of the following is indicated by the colour of a star ?

A) weight	B) distance
C) temperature	D) size

Answer & Explanation Answer: C) temperature

Explanation:

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Filed Under: General Science
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Q:

The five permanent members of the UN security council are

A) USA, China, France, Russia and Canada	B) China, France, Russia, UK and USA
C) Japan, Germany, Russia, UK and USA	D) Germany, China, USA. Russia and UK

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