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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1 750

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

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Filed Under: Chemistry
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Q:

What is the chemical formula of Ozone?

A) O	B) O2
C) O3	D) O4

Answer & Explanation Answer: C) O3

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Filed Under: Chemistry
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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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Q:

The auxiliary buds _____.

A) grow endogenously from the pericycle	B) arise endogenously from the main growing point
C) is an embryonic shoot located in the axil of a leaf	D) arise exogenously from the epidermis

Answer & Explanation Answer: C) is an embryonic shoot located in the axil of a leaf

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Filed Under: Biology
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Q:

If demand curve for renting a car is D = 90000 - 23P and supply curve is S = 9000 + 7P, find the equilibrium Price?

A) Rs 1800	B) Rs 900
C) Rs 3600	D) Rs 2700

Answer & Explanation Answer: D) Rs 2700

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Filed Under: Indian Economy
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Q:

On which river is the Tehri dam built?

A) Alakananda	B) Bhagirathi
C) Ganga	D) Hooghly

Answer & Explanation Answer: B) Bhagirathi

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Filed Under: Indian Geography
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Q:

Shahjahan was the _____Mughal ruler.

A) Fourth	B) Third
C) Sixth	D) Fifth

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