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1 English MCQs

Idiom “A bird of passage” means:

  • comfortable
  • an extremely thin person.
  • a difficult thing.
  • a migratory bird.
0 Comments
Correct Answer: D. a migratory bird.

Explanation: ...

2 Physics MCQs

A lake starts freezing because of the cold atmosphere. It will first freeze:

  • At the bottom
  • In the middle part
  • At the top surface
  • Uniformly throughout the water body
0 Comments
Correct Answer: C. At the top surface

Explanation:

When a lake is exposed to very cold atmospheric conditions, the water begins ... Read More Details

3 English MCQs

Idiom “A big gun” means:

  • a big important person.
  • an extremely thin person.
  • a difficult thing.
  • comfortable
0 Comments
Correct Answer: A. a big important person.

Explanation: ...

4 Physics MCQs

The sun appears red at sunrise and sunset while it appears white at noon, because:

  • Of refraction
  • It is cooler at sunrise and at sunset
  • Of diffraction leading to red end of the spectrum reaching the earth
  • Of scattering of light due to dust particles and air molecules.
0 Comments
Correct Answer: D. Of scattering of light due to dust particles and air molecules.

Explanation:

The sun appears red at sunrise and sunset due to a ... Read More Details

5 Physics MCQs

An iceberg is floating in sea. How much of its mass will remain above the surface of water?

  • One tenth
  • One fifth
  • One fourth
  • One third
0 Comments
Correct Answer: A. One tenth

Explanation:

An iceberg floats in seawater because its density is lower than that of ... Read More Details

6 Environmental Science MCQs

Most of the ozone in the atmosphere is concentrated in the _____________?

  • Mesosphere
  • Troposphere
  • Stratosphere
  • Ionosphere
0 Comments
Correct Answer: C. Stratosphere

Explanation:

The ozone layer is a region of Earth’s atmosphere that contains ... Read More Details

7 Physics MCQs

T.V. transmission cannot cover a very large area because:

  • The strength of T.V. waves is very limited
  • Picture cannot be transmitted clearly after a specific distance
  • The shape of the earth is spherical
  • The air is not a good conductor of light and sound/waves
0 Comments
Correct Answer: C. The shape of the earth is spherical

Explanation:

Television (TV) transmission works by sending electromagnetic waves, specifically radio waves, ... Read More Details

8 Environmental Science MCQs

The Green House Effect is caused by an excess of?

  • Carbon dioxide
  • Carbon monoxide
  • Carbon tetrachloride
  • None of the above
0 Comments
Correct Answer: A. Carbon dioxide

Explanation:

The greenhouse effect is a natural phenomenon that keeps the Earth ... Read More Details

9 Biology Mcqs

Bats can also fly in dark because they are capable of taking the help of _________?

  • Ultraviolet Waves
  • Ultrasonic Waves
  • Electromagnetic Waves
  • Special Retina
0 Comments
Correct Answer: B. Ultrasonic Waves

Explanation:

Bats are nocturnal mammals that are able to fly and hunt effectively even ... Read More Details

10 Physics MCQs

What is ‘Stealth Technology‘?

  • A device which when attached to an aircraft makes it invisible on the radar
  • A coating which reduces the visibility of an aircraft on radar
  • A technology by which it is possible for the aircraft’s to spy in the enemy air-space
  • A technology by using which paratroopers can be dropped stealthily behind the enemy columns
0 Comments
Correct Answer: B. A coating which reduces the visibility of an aircraft on radar

Explanation:

Stealth technology is a set of advanced engineering techniques used to make aircraft, ... Read More Details

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