Science Question Bank
for Exam preparation

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

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

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

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

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

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

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.

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

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

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

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

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

Q10. Which of the following is an insulator?

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