Everyday Science MCQs-9

  1. In night, when photosynthesis is stopped, plants
    1. take in Carbon Dioxide
    2. take in Oxygen
    3. give off Carbon Dioxide
    4. give off Oxygen

 

  1. During photosynthesis, plants
    1. take in Carbon Dioxide
    2. take in Oxygen
    3. give off Carbon Dioxide
    4. give off Oxygen

 

  1. __________ are called the powerhouses of the cell.
    1. Mitochondria
    2. Vesicles
    3. Lungs
    4. Liver

 

  1. Mitochondria contain their own supply of
    1. DNA
    2. Amino acids
    3. Vitamins
    4. Oxygen

 

  1. The first chemical explosive, Gunpowder, is a mixture of
    1. Sulfur, Charcoal and Nitrogen Oxide
    2. Sulfur, Charcoal, and Potassium Nitrate
    3. Sulfur and Charcoal
    4. Charcoal and Potassium Nitrate

 

  1. The number of oscillations per second is called the
    1. hertz
    2. waves
    3. pitch
    4. frequency

 

  1. Sound waves from a loudspeaker are caused by
    1. frequency
    2. vibrations
    3. pitch
    4. amplitude

 

  1. The guitar has __________ strings.
    1. 4
    2. 5
    3. 6
    4. 7

 

  1. The device used to measure movements of the heart is
    1. Cardiograph
    2. Seismograph
    3. Hydrometer
    4. Hygrometer

 

  1. The unit used to measure ‘Pressure’ is
    1. pascal
    2. newton
    3. watt
    4. tesla

ANSWERS: GENERAL SCIENCE QUIZZES

  1. C
  2. D
  3. A
  4. A
  5. B
  6. D
  7. B
  8. C
  9. A
  10. A

 

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