Tag: science & technology

Questions Related to science & technology

how many different area of brain and number of muscles involved in laughing.
general knowledge science & technology

  1. 3 region of brain, 17 muscles

  2. 2 region of brain, 27 muscles

  3. 5 region of brain, 17 muscles

  4. 1 region of brain, 23 muscles

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Correct Option: C

how long the blood vessel present in tha brain can be spread
general knowledge science & technology

  1. 1,00,000 miles

  2. 10,000 miles

  3. 1000 miles

  4. 100 miles

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Correct Option: A

One nanometer is equal to
general knowledge science & technology

  1. 10 power -6 m

  2. 10 power -8 m

  3. 10 power -9 m

  4. 10 power -5 m

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Correct Option: C

Mica is used in electrical appliances such as electric iron because mica is
general knowledge science & technology

  1. a good conductor of heat but a bad conductor of electricity

  2. a bad conductor of heat but a good conductor of electricity

  3. good conductor of heat as well as electricity

  4. a bad conductor of heat as well as electricity

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Correct Option: A

Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from
general knowledge science & technology

  1. east

  2. west

  3. northeast

  4. southeast

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Correct Option: A

Intensity of sound has
general knowledge science & technology

  1. an object existence

  2. a subject existence

  3. no existence

  4. both subjective and objective existence

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Correct Option: A

Large astronomical telescopes always use as objective
general knowledge science & technology

  1. lens

  2. mirror

  3. combinations of lenses

  4. None of the above

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Correct Option: C

Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I. Diffusion II. Refraction III. Internal reflection

general knowledge science & technology

  1. I, II & III

  2. I & II

  3. II & III

  4. I & III

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Correct Option: C

Planets are
general knowledge science & technology

  1. luminous heavenly bodies revolving around a star

  2. non-luminous heavenly bodies

  3. luminous heavenly bodies that twinkle

  4. luminous heavenly bodies that do not twinkle

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Correct Option: B

Solar eclipse will take place when
general knowledge science & technology

  1. the sun is between the moon and the earth

  2. the earth is between the moon and the sun

  3. the moon is between the sun and the earth

  4. the moon does not lie on the line joining the sun and the earth

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Correct Option: C