General Science Questions Practice Question and Answer

Q:

The purpose of Choke in tube light is

3005 0

  • 1
    To decrease the current
    Correct
    Wrong
  • 2
    To increase the current
    Correct
    Wrong
  • 3
    To decrease the voltage momentarily
    Correct
    Wrong
  • 4
    To increase the voltage momentarily
    Correct
    Wrong
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Answer : 4. "To increase the voltage momentarily"

Q: Plants absorb dissolved nitrates from soil and convert them into 1535 0

  • 1
    proteins
    Correct
    Wrong
  • 2
    free nitrogen
    Correct
    Wrong
  • 3
    urea
    Correct
    Wrong
  • 4
    ammonia
    Correct
    Wrong
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Answer : 2. "free nitrogen"

Q:

'Bar' is the unit of

1927 1

  • 1
    temperature
    Correct
    Wrong
  • 2
    heat
    Correct
    Wrong
  • 3
    current
    Correct
    Wrong
  • 4
    atmospheric pressure
    Correct
    Wrong
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Answer : 4. "atmospheric pressure"

Q:

kilohertz is a unit which measures

2455 0

  • 1
    power used by a current of one ampere
    Correct
    Wrong
  • 2
    electromagnetic radio wave frequencies
    Correct
    Wrong
  • 3
    voltage
    Correct
    Wrong
  • 4
    electric resistance
    Correct
    Wrong
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Answer : 2. "electromagnetic radio wave frequencies"

Q:

One fathom is equal to

2288 0

  • 1
    6 meters
    Correct
    Wrong
  • 2
    6 feet
    Correct
    Wrong
  • 3
    60 feet
    Correct
    Wrong
  • 4
    100 cm
    Correct
    Wrong
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Answer : 2. "6 feet"

Q:

Light travels at the fastest speed in

1423 0

  • 1
    glass
    Correct
    Wrong
  • 2
    water
    Correct
    Wrong
  • 3
    hydrogen
    Correct
    Wrong
  • 4
    vacuum
    Correct
    Wrong
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Answer : 4. "vacuum"

Q:

Which principle does the optical fiber work on? 

1783 1

  • 1
    Full internal reflection
    Correct
    Wrong
  • 2
    Refraction
    Correct
    Wrong
  • 3
    Scattering
    Correct
    Wrong
  • 4
    Interference
    Correct
    Wrong
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Answer : 1. "Full internal reflection "

Q:

What is the use of radar? 

1155 0

  • 1
    Receiving signals from the radio receiver
    Correct
    Wrong
  • 2
    Detect submarine
    Correct
    Wrong
  • 3
    Detection of synchronous satellites
    Correct
    Wrong
  • 4
    Identifying Remote objects
    Correct
    Wrong
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Answer : 4. "Identifying Remote objects "

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