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Science Question Bank
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Science - Question 1:

The mass number of an atom is:

  1. Number of nucleons in the nucleus
  2. Number of protons in the nucleus
  3. Number of neutrons in the nucleus
  4. None of these






Science- Q2. Who was the inventor of radioactivity?

  1. Madam Curie
  2. Irine Curie
  3. Henery Bacqurel
  4. Rutherford
Correct Answer


Science- Q3. Which one is not the form of Biocides?

  1. Salt
  2. Iodine
  3. Sugar
  4. Bleech
Correct Answer


Science- Q4. The commercial unit of Energy is:

  1. Watt
  2. Watt-hour
  3. Kilowatt-hour
  4. Kilowatt
Correct Answer


Science- Q5. Which of the following are electrovalent compounds?

  1. Copper Sulphate
  2. Calcium Nitrate
  3. Magnesium Oxide
  4. All of the above
Correct Answer


Science- Q6. The planet Neptune was discovered by:

  1. Galley
  2. Galileo
  3. Kepler
  4. Newton
Correct Answer


Science- Q7. Proteins are made up of .......

  1. Sugars
  2. Amino acids
  3. Fatty acids
  4. Nucleic acids
Correct Answer


Science- Q8. Which of the following is an air-borne disease?

  1. Measles
  2. Typhoid
  3. Pink eye
  4. None of the above
Correct Answer


Science- Q9. An electron possesses a negative charge of:

  1. 16 * 10-19 C
  2. 1.60 * 10-19 C
  3. 26 * 10-19 C
  4. 1.8 * 10-19 C
Correct Answer


Science- Q10. The acidic nature and basic nature of some salt solutions can be explained on the basis of:

  1. Splitting of a salt compound
  2. Hydrolysis of salts
  3. Both A and B
  4. Only B
Correct Answer











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