Science Question Bank
for Exam preparation

Science- Q2. Name the gas which is found in abundance in earth in both combine and free state with other elements?

1. Oxygen
2. Nitrogen
3. Hydrogen
4. Sulphur

Science- Q3. Which of the following is not a primary food product?

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

Science- Q4. Which of the following are semi-conductors?

1. Nichrome
2. Copper
3. Silicon
4. Aluminium

Science- Q5. Which vitamin is needed to prevent Xero-phthalmia?

1. A
2. B
3. C
4. D

Science- Q6. Detergent is defined as.....

1. A liquid surfactant
2. A liquid soluble
3. A liquid solvent
4. A liquid solution

Science- Q7. Which of the following has the highest protein content per gram?

1. Groundnut
2. Soyabean
3. Apple
4. Wheat

Science- Q8. 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

Science- Q9. The cycling at various scales, of minerals and compounds through the ecosystem is:

1. Aboitic (Non-living) Components
2. Biogeochemical Cycles
3. Carbon & Oxygen Cycles
4. Nitrogen Cycles

Science- Q10. Which salt is used as a raw material for making a large number of useful chemicals in industry?

1. Sodium Chloride
2. Ammonium Hydroxide
3. Ammonium Chloride
4. Sodium Nitrate