General Science Questions Practice Question and Answer

Q:

Which of the following metals is used in spacecraft to tolerate high temperatures?

2320 0

  • 1
    Fe
    Correct
    Wrong
  • 2
    Ti
    Correct
    Wrong
  • 3
    Ni
    Correct
    Wrong
  • 4
    Pb
    Correct
    Wrong
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Answer : 2. "Ti"

Q:

Hybridization is

2317 0

  • 1
    downward movement of water through soil
    Correct
    Wrong
  • 2
    a process of tilling the land
    Correct
    Wrong
  • 3
    decayed vegetable matter
    Correct
    Wrong
  • 4
    cross-fertilization between two varieties
    Correct
    Wrong
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Answer : 4. "cross-fertilization between two varieties "

Q:

What happens to the weight, when iron rusts? 

2302 0

  • 1
    Weight increases
    Correct
    Wrong
  • 2
    Weight decreases
    Correct
    Wrong
  • 3
    Weight remains the same
    Correct
    Wrong
  • 4
    Weight first increases then decreases
    Correct
    Wrong
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Answer : 4. "Weight first increases then decreases "

Q:

What is the SI unit of Young’s Modulus of Elasticity?

2300 0

  • 1
    Ohm
    Correct
    Wrong
  • 2
    Henry
    Correct
    Wrong
  • 3
    Pascal
    Correct
    Wrong
  • 4
    Hertz
    Correct
    Wrong
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Answer : 3. "Pascal"

Q:

What is the product formed when sodium bicarbonate is heated strongly? 

2298 0

  • 1
    Sodium Peroxide
    Correct
    Wrong
  • 2
    Sodium Monoxide
    Correct
    Wrong
  • 3
    Sodium Carbonate
    Correct
    Wrong
  • 4
    Sodium Hydroxide
    Correct
    Wrong
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Answer : 3. "Sodium Carbonate "

Q:

Reading of a barometer going down is an indication of

2297 0

  • 1
    rainfall
    Correct
    Wrong
  • 2
    snow
    Correct
    Wrong
  • 3
    storm
    Correct
    Wrong
  • 4
    intense heat
    Correct
    Wrong
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Answer : 1. "rainfall"
Explanation :

Low pressure – when reading of the barometer is lower than inHg, this is considered as low air pressure, which is associated with warm air and rainstorm. So, clearly, a falling barometer indicates bad weather is ahead.


Q:

The best conductor of heat among the following is

2297 0

  • 1
    alcohol
    Correct
    Wrong
  • 2
    mercury
    Correct
    Wrong
  • 3
    ether
    Correct
    Wrong
  • 4
    water
    Correct
    Wrong
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Answer : 2. "mercury"

Q:

When ice melts, its

2294 0

  • 1
    Volume increases
    Correct
    Wrong
  • 2
    Volume decreases
    Correct
    Wrong
  • 3
    Volume and mass both decrease
    Correct
    Wrong
  • 4
    Volume decreases while mass increases
    Correct
    Wrong
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Answer : 2. "Volume decreases "

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