Science Question Bank
for Exam preparation

Q2. The energy possessed by a body due to its position is called:

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

Q3. Which of the following statement is true about ionic compounds?

1. Ionic compounds conduct electricity when dissolved in water.
2. Ionic compounds are not soluble in water.
3. Ionic compounds are crystalline solids.
4. Only A and C

Q4. The commercial unit of Energy is:

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

Q5. 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

Q6. Which of the following is/are the correct definition of evolution?

1. Cumulative development in the characteristics of species over time.
2. It is a process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth.
3. Processes that give rise to biodiversity at every level of biological organisation, including the levels of species, individual organisms, and molecules.
4. All of the above

Q7. Which of the following is an air-borne disease?

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

Q8. The sky appears black from the moon because of:

1. Lack of atmosphere
2. Lack of cloud
3. Lack of oxygen and CO2
4. None of these

Q9. Name the acid that is secreted in the stomach?

1. HCl
2. H2S04
3. H2C03
4. HNO3

Q10. Which is a communicable disease?

1. Asthma
2. Scurvy
3. Measles
4. Diabetes