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General Science MCQ


An alternating current instead of direct current is used in long-distance electric transmission because:

  • it is easy to generate
  • rectification is possible
  • energy losses are minimum
  • it causes fewer accidents
  • Correct Option: C  [ energy losses are minimum ]

    Remark:

The primary producer in an ecosystem are:

  • Bacteria
  • Women
  • Men
  • Plants
  • Correct Option: D  [ Plants ]

    Remark:

Isaac Newton invented:

  • Thermometer
  • Reflecting Telescope
  • Hydraulic Accumulator
  • Transistor
  • Correct Option: B  [ Reflecting Telescope ]

    Remark:

The sex of a child before birth can be determined by:

  • Amnoscopy
  • Amniocentesis
  • Amniograpghy
  • None of these
  • Correct Option: B  [ Amniocentesis ]

    Remark:

In coriander the useful parts are:

  • roots &leaves
  • leaves & flowers
  • leaves & dried fruits
  • flower& dried fruits
  • Correct Option: C  [ leaves & dried fruits ]

    Remark:

__________ is the first missile developed in India.

  • Agni
  • Aakash
  • Trishul
  • Prithvi
  • Correct Option: D  [ Prithvi ]

    Remark:

Plants absorb dissolved nitrates from soil and convert them into:

  • free nitrogen
  • urea
  • ammonia
  • proteins
  • Correct Option: C  [ ammonia ]

    Remark:

The pale yellow colour of urine is due to the presence of which pigment?

  • Urophyll
  • Urochrome
  • Chlorophyll
  • Chloroplast
  • Correct Option: B  [ Urochrome ]

    Remark:

The sky looks blue due to

  • Dispersion of Sunlight
  • Scattering of Sunlight
  • Refraction of Sunlight
  • None of these
  • Correct Option: B  [ Scattering of Sunlight ]

    Remark: The scattering of sunlight is a phenomenon that occurs when sunlight interacts with particles or molecules in the Earth's atmosphere, causing the light to change direction and spread out in various directions.

In which year was the "@" chosen for its use in e-mail addresses?

  • 1972
  • 1976
  • 1980
  • 1984
  • Correct Option: A  [ 1972 ]

    Remark:

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