Tag: science & technology

Questions Related to science & technology

Which of the following pollutants can readily mix with the blood and cause severe health problems?
general knowledge science & technology

  1. Carbon monoxide

  2. Carbon dioxide

  3. Sulfur dioxide

  4. Sulfur trioxide

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Correct Option: A

How many minutes at least per day must a person perform strenuous exercise in order to keep the blood circulating freely?
general knowledge science & technology

  1. 5 minutes

  2. 10 minutes

  3. 20 minutes

  4. 30 minutes

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Correct Option: B

Who first established the fact that the earth revolves round the sun?
general knowledge science & technology

  1. Kepler

  2. Copernicus

  3. Newton

  4. Galilio

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Correct Option: B

Which of the following gases is used for refrigeration?
general knowledge science & technology

  1. Chlorine

  2. CO2

  3. Ammonia

  4. H2S

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Correct Option: C

The number of naturally occurring amino acids found in proteins is
general knowledge science & technology

  1. 12

  2. 25

  3. 15

  4. 20

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Correct Option: D

Biological pest control is carried out by
general knowledge science & technology

  1. parrots and kites

  2. dragonfly and wasp

  3. scorpions and spiders

  4. bees and locust

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Correct Option: C

Alcoholic beverages contain
general knowledge science & technology

  1. methanol

  2. methyl alcohol

  3. butyl alcohol

  4. ethyl alcohol

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Correct Option: C

Which of the following components of solar radiation cause sunburn?
general knowledge science & technology

  1. Infra – red

  2. Ultraviolet

  3. Visible radiation

  4. Both (a) & (b)

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Correct Option: B

‘Sake’ is a favorite wine of Japanese. It is made from
general knowledge science & technology

  1. vinegar

  2. grape juice

  3. rice grains

  4. palm sap

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Correct Option: C

Which of the following fuels causes minimum environmental pollution?
general knowledge science & technology

  1. Kerosene

  2. Hydrogen

  3. Coal

  4. Diesel

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Correct Option: B