Science GK Practice Question and Answer

Q:

इकोलॉजी शब्द किसने प्रतिपादित किया?

2120 0

  • 1
    चार्ल्स डार्विन
    Correct
    Wrong
  • 2
    रॉबर्ट व्हिटटेकर
    Correct
    Wrong
  • 3
    आर्थर टांसले
    Correct
    Wrong
  • 4
    अर्नेस्ट हैकल
    Correct
    Wrong
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Answer : 4. "अर्नेस्ट हैकल"

Q: Which metal is heaviest ? 1473 0

  • 1
    osmium
    Correct
    Wrong
  • 2
    mercury
    Correct
    Wrong
  • 3
    iron
    Correct
    Wrong
  • 4
    nickle
    Correct
    Wrong
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Answer : 1. "osmium"

Q: The metallurgical process in which a metal is obtained in a fused state is called ? 1780 0

  • 1
    roasting
    Correct
    Wrong
  • 2
    calcinations
    Correct
    Wrong
  • 3
    smelting
    Correct
    Wrong
  • 4
    froth floatation
    Correct
    Wrong
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Answer : 3. "smelting"

Q: Who is regarded as father of modern chemistry ? 1847 0

  • 1
    Ruterford
    Correct
    Wrong
  • 2
    Einstein
    Correct
    Wrong
  • 3
    Lavoisier
    Correct
    Wrong
  • 4
    C V Raman
    Correct
    Wrong
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Answer : 3. "Lavoisier"

Q: The term PVC used in the plastic industry stands for 1608 0

  • 1
    polyvinyl choloride
    Correct
    Wrong
  • 2
    polyvinyl carbotate
    Correct
    Wrong
  • 3
    phosphor vanadiu chloride
    Correct
    Wrong
  • 4
    phosphavinyl chloride
    Correct
    Wrong
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Answer : 1. "polyvinyl choloride"

Q: What is a mixture of potassium nitrate powdered charcoal and sulphur called? 1461 0

  • 1
    paint
    Correct
    Wrong
  • 2
    aluminium
    Correct
    Wrong
  • 3
    brass
    Correct
    Wrong
  • 4
    gun powder
    Correct
    Wrong
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Answer : 4. "gun powder"

Q: Which have the maximum density ? 2249 0

  • 1
    water
    Correct
    Wrong
  • 2
    Benzene
    Correct
    Wrong
  • 3
    Ice
    Correct
    Wrong
  • 4
    Chloroform
    Correct
    Wrong
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Answer : 1. "water"

Q:

जब मानव हृदय में वाम निलय सिकुड़ता है , तो रक्त किसकी तरफ प्रवाहित होता है ? 

1632 0

  • 1
    मस्तिष्क
    Correct
    Wrong
  • 2
    फुफ्फुसीय धमनी
    Correct
    Wrong
  • 3
    महाधमनी
    Correct
    Wrong
  • 4
    फुफ्फुस
    Correct
    Wrong
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Answer : 3. "महाधमनी "

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