Basic Science Practice Question and Answer

Q:

Which gas is the most important component of Gobar gas?

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  • 1
    Ammonia
    Correct
    Wrong
  • 2
    Acetylene
    Correct
    Wrong
  • 3
    Methane
    Correct
    Wrong
  • 4
    Chlorine
    Correct
    Wrong
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Answer : 3. "Methane "

Q:

Why does the sun appear red when rising and sinking?

934 0

  • 1
    radiation
    Correct
    Wrong
  • 2
    Water vapor
    Correct
    Wrong
  • 3
    Dust particles
    Correct
    Wrong
  • 4
    scattering
    Correct
    Wrong
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Answer : 4. "scattering"

Q:

Aluminum is obtained from which mineral?

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  • 1
    Monanite
    Correct
    Wrong
  • 2
    Anthracite
    Correct
    Wrong
  • 3
    Bauxite
    Correct
    Wrong
  • 4
    Thorium
    Correct
    Wrong
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Answer : 3. "Bauxite"

Q:

When is the Kharif crop harvested?

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  • 1
    March
    Correct
    Wrong
  • 2
    June
    Correct
    Wrong
  • 3
    November
    Correct
    Wrong
  • 4
    December
    Correct
    Wrong
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Answer : 3. "November"
Explanation :

Kharif crops – The crops sown in June-July in the Indian subcontinent are called Kharif crops. These crops are harvested in October and November. These require high temperature and humidity at the time of sowing and dry environment at the time of ripening.

Main Kharif crops – Cotton, groundnut, paddy, millet, maize, sweet potato, urad, moong, moth cowpea (Chanwala), jowar, arhar, dhaincha, sugarcane, soybean, okra, sesame, guar, jute, flax etc.

Q:

Which branch of science is studied under the bones?

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  • 1
    Orology
    Correct
    Wrong
  • 2
    Osteology
    Correct
    Wrong
  • 3
    Ceramology
    Correct
    Wrong
  • 4
    Geology
    Correct
    Wrong
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Answer : 2. "Osteology"

Q:

Which is the principle of Learning Environment study?

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  • 1
    Principle of necessity
    Correct
    Wrong
  • 2
    Principle of utility
    Correct
    Wrong
  • 3
    Principle of relationship with life
    Correct
    Wrong
  • 4
    All of these
    Correct
    Wrong
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Answer : 4. "All of these"

Q:

Sericulture is called—

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  • 1
    Apiculture
    Correct
    Wrong
  • 2
    Sericulture
    Correct
    Wrong
  • 3
    Psiculture
    Correct
    Wrong
  • 4
    Horticulture
    Correct
    Wrong
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Answer : 2. "Sericulture"

Q:

Which of the following represents the equation for position-time relation?

903 0

  • 1
    $$ {2as={v^{2}-{u^{2}}}}$$
    Correct
    Wrong
  • 2
    $$ {s=ut+{1\over 2}{at^{2}}}$$
    Correct
    Wrong
  • 3
    v = u + at
    Correct
    Wrong
  • 4
    V = u + at
    Correct
    Wrong
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Answer : 2. "$$ {s=ut+{1\over 2}{at^{2}}}$$"

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