Questions

Q:

Which gas is used in tube light?

A) Oxygen B) Hydrogen
C) Neon D) Nitric oxide
 
Answer & Explanation Answer: C) Neon

Explanation:
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Q:

Graphically, the market demand curve is

A) greater than the sum of the individual demand curves B) the horizontal sum of individual demand curves
C) steeper than any individual demand curve that is part of it D) the vertical sum of individual demand curves
 
Answer & Explanation Answer: B) the horizontal sum of individual demand curves

Explanation:
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Q:

If there is a lock on an adjacent key, an insert will fail if the isolation level is set to what?

A) committed read B) repeatable read
C) share read D) indexed read
 
Answer & Explanation Answer: B) repeatable read

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Q:

Permanent hardness of water may be removed by the addition of

A) Alum B) Lime
C) Sodium Carbonate D) Potassium Permanganate
 
Answer & Explanation Answer: C) Sodium Carbonate

Explanation:

Permanent hardness of water may be removed by the addition of Sodium Carbonate.

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Q:

Which of the following is a feature of leptin?

A) It acts primarily on the brain B) It is secreted by the brain and acts on fat cells
C) It is an enzyme D) It is usually deficient in thin people
 
Answer & Explanation Answer: B) It is secreted by the brain and acts on fat cells

Explanation:
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Q:

What is located at 180 degrees longitude?

A) Fiji B) Russia
C) Antarctica D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres.

It is common to both east longitude and west longitude.

It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.

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Q:

The World's largest reserves of petroleum are located in

A) The USA B) Russia
C) Saudi Arabia D) Kuwait
 
Answer & Explanation Answer: C) Saudi Arabia

Explanation:

Nearly 15% of the petroleum reserves are found in Soudi Arabia

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Q:

The National forest policy aims at maintaining how much of the geographical area under forests

A) Half B) One-third
C) One-fourth D) One-fifth
 
Answer & Explanation Answer: B) One-third

Explanation:
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