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In which part of the body digestion of protein starts?
  1. Mouth
  2. Stomach
  3. Duodenum
  4. Intestine

Q2. Name the salt when dissolved in water give an acidic solution?

  1. Potassium Chloride
  2. Ammonium Chloride
  3. Sodium Carbonate
  4. Sodium Acetate
Correct Answer

Q3. What should be present in a substance to make it a conductor of electricity?

  1. Strongly held electrons
  2. Strongly held protons
  3. Free electrons
  4. Free protons
Correct Answer

Q4. The energy possessed by a body due to its position is called:

  1. Kinetic Energy
  2. Potential Energy
  3. Mechanical Energy
  4. Electrical Energy
Correct Answer

Q5. Which of the following gas does not contribute to the global warming?

  1. Methane
  2. Carbon dioxide
  3. Sulpuhr
  4. Acetylene
Correct Answer

Q6. What is Air Quality Index?

  1. It tells about the sound pollution
  2. It measures air pollution mainly sulphur content in the air.
  3. It measures ozone levels in your area.
  4. It checks the colour of the air.
Correct Answer

Q7. Which of the following have Alpha-keratin as protein?

  1. Blood
  2. Eggs
  3. Skin
  4. Wool
Correct Answer

Q8. Which of the vegetables have abundance of Vitamins A and C?

  1. Brinjal
  2. Lady's finger
  3. Potato
  4. Tomato
Correct Answer

Q9. Find out the salient features of environment:

  1. It is the sum of biotic and abiotic elements.
  2. It is based on the4 interactive and functional relationship between and biotic and abiotic
  3. It always tens to maintain ecological balance.
  4. All of the above
Correct Answer

Q10. Which of the following is an insulator?

  1. Carbon
  2. Rubber
  3. Silver
  4. Copper
Correct Answer

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