General Science Practice Question and Answer

Q:

Triton and Nereid are the satellites of which of the following planets?

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  • 1
    Venus
    Correct
    Wrong
  • 2
    Saturn
    Correct
    Wrong
  • 3
    Neptune
    Correct
    Wrong
  • 4
    Mars
    Correct
    Wrong
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Answer : 3. "Neptune"

Q:

The nitrogenous base found in place of Thiamine in RNA molecule 

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  • 1
    Cytosine
    Correct
    Wrong
  • 2
    Adenine
    Correct
    Wrong
  • 3
    Uracil
    Correct
    Wrong
  • 4
    Guanine
    Correct
    Wrong
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Answer : 3. "Uracil "

Q: Which of the following statements about water is false? 2834 0

  • 1
    There is extensive intramolecular hydrogen bonding in the condensed phase.
    Correct
    Wrong
  • 2
    Water is oxidized to oxygen during photosynthesis.
    Correct
    Wrong
  • 3
    Ice formed by heavy water sinks in normal water.
    Correct
    Wrong
  • 4
    Water can act both as an acid and as a base.
    Correct
    Wrong
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Answer : 1. "There is extensive intramolecular hydrogen bonding in the condensed phase."
Explanation :

Answer: A) There is extensive intramolecular hydrogen bonding in the condensed phase. Explanation: Water possess intermolecular hydrogen bonding in the condensed phase.   Hence, the given statement 'There is extensive intramolecular hydrogen bonding in the condensed phase.' about water is FALSE.

Q:

What is the principle of life jacket?

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  • 1
    It provide oxygen to the drowning person.
    Correct
    Wrong
  • 2
    It increase persons volume to help him float.
    Correct
    Wrong
  • 3
    It decreases persons volume to help him float.
    Correct
    Wrong
  • 4
    A persons can sit on it
    Correct
    Wrong
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Answer : 2. "It increase persons volume to help him float."

Q:

Unit of solid angle is:

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  • 1
    degree
    Correct
    Wrong
  • 2
    radian
    Correct
    Wrong
  • 3
    steradian
    Correct
    Wrong
  • 4
    radian-second
    Correct
    Wrong
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Answer : 3. "steradian"

Q:

Which mirror is used as a surface vision mirror in vehicles?

2817 0

  • 1
    Plane
    Correct
    Wrong
  • 2
    Convex
    Correct
    Wrong
  • 3
    Concave
    Correct
    Wrong
  • 4
    Inverted
    Correct
    Wrong
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Answer : 2. "Convex "

Q: Nuclear explosive devices were tested in india at 2794 0

  • 1
    Pokhran
    Correct
    Wrong
  • 2
    Kanchipuram
    Correct
    Wrong
  • 3
    Sriharikota
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Pokhran"
Explanation :

Pokhran is a city and a municipality located in Jaisalmer district in the Indian State of Rajasthan. It is a remote location in the Thar desert region and served as the test site for India’s first underground nuclear weapon detonation.

It shot into the international limelight on 7th September 1974, when the then Indian Prime Minister Indira Gandhi verbally authorised scientists at the Bhabha Atomic Research Centre (BARC) at Trombay to detonate small and miniaturised nuclear device. Throughout its development, the device was formally called the Peaceful Nuclear Explosive (PNE) by Indian Government, but it was usually referred to as the Operation ‘Smiling Buddha’. On 11th May of 1998, 24th year after the first operation, the Atomic Energy Commission of India and the Defence Research and Development Organisation (DRDO) carried out the joint operation, known as Pokhran-ll. The AEC India detonated its four devices as part of the underground nuclear testing on Pokhran Test Range.

Q:

Which one of the following is highly dangerous radioactive pollutant ?

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  • 1
    Phosphorus-32
    Correct
    Wrong
  • 2
    Sulphur-35
    Correct
    Wrong
  • 3
    Strontium-90
    Correct
    Wrong
  • 4
    Calcium-40
    Correct
    Wrong
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Answer : 3. "Strontium-90 "

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