Tag: science & technology

Questions Related to science & technology

Stalactites and stalagmites consist of deposits of
general knowledge science & technology

  1. Silica

  2. Sodium Bicarbonate

  3. Calcium Carbonate

  4. Magnesium Carbonate

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Correct Option: C

Removal of the top layer of soil/rocks by wind, water is known as
general knowledge science & technology

  1. Corrosion

  2. Desalination

  3. Detoxification

  4. Erosion

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Correct Option: D

Mercury Thermometer is invented by
general knowledge science & technology

  1. Fahrenheit

  2. Thomas Alva Edison

  3. Orville and Wilbur Wright

  4. Benjamin Franklin

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Correct Option: A

The animal kingdom is formally classified into major groups known as
general knowledge science & technology

  1. Orders

  2. Sub Phyla

  3. Families

  4. Phyla

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Correct Option: D

What gas is evolved when HCl is poured on marble chips?
general knowledge science & technology

  1. Carbon Dioxide

  2. Hydrogen Peroxide

  3. Hydrogen

  4. Calcium Carbonate

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Correct Option: A

What type of lens is a magnifying glass?
general knowledge science & technology

  1. Plane Glass

  2. Concave

  3. Convex

  4. Plano-Concave

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Correct Option: C

Farmers can keep their soil fertile by
general knowledge science & technology

  1. Irrigation

  2. Repeatedly growing the same crop

  3. Crop Rotation

  4. Regular Tilling

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Correct Option: C

The scientific biological name for the family of grasses is _______.
general knowledge science & technology

  1. Gramineae

  2. Grevineae

  3. Germineae

  4. Garminiae

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Correct Option: A

Which longitude is followed by India for its +5.30 time zone?
general knowledge science & technology

  1. 82 east

  2. 82.5 east

  3. 81.5 west

  4. 83 east

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Correct Option: B

Which countries was divided upon the demarcation of 38th parallel?
general knowledge science & technology

  1. Korea

  2. Vietnam

  3. Germany

  4. U.S.A. and Mexico

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Correct Option: A