Science Question Bank
for Exam preparation

Q2. Name an inert diatomic gas which is neither combustible nor helps in combustion?

1. Carbon Dioxide
2. Hydrogen
3. Nitrogen
4. None of the above

Q3. Consider the following statement (s) about frequency I. It is describes as the number of waves that pass a fixed place in a given amount of time. II. It is measured in the hertz unit, named in honour of the 19th-century German physicist Heinrich Rudolf Hertz. Which is/are correct statement (s)?

1. Only I
2. Only II
3. Both I & II
4. All of the above

Q4. The commercial unit of Energy is:

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

Q5. Mention the source of Liver, milk, egg yolk, fish liver oil?

1. Vitamin A
2. Vitamin B2
3. Vitamin D
4. Vitamin C

Q6. Proteins are made up of .......

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

Q7. Which of the following is the heaviest metal?

1. osmium
2. mercury
3. iron
4. nickel

Q8. Which layer of the atmosphere is also called Ozonosphere?

1. Troposphere
2. Stratosphere
3. Mesosphere
4. Exosphere

Q9. Which of the following is not a primary food product?

1. Vegetables
2. Milk
3. Cereals
4. Fruits

Q10. SMOG is derived from:

1. Smoke
2. Fog
3. Both A and B