Science Question Bank
for Exam preparation

Q2. Which of the following is a large blood vessel that carries blood away from the heart?

1. Vein
2. Artery
3. Capillary
4. Nerve

Q3. Which one of the following is not a function of the liver?

1. Regulation of blood sugar
2. Enzyme activation
3. Detoxification
4. Reproduction

Q4. Name a gas used as rocket propellant and in welding also?

1. Ether
2. Neon
3. Hydrogen
4. Cyanogen

Q5. Which of the following are electrovalent compounds?

1. Copper Sulphate
2. Calcium Nitrate
3. Magnesium Oxide
4. All of the above

Q6. Which of the following have Alpha-keratin as protein?

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

Q7. 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

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

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

Q9. Which of the following are semi-conductors?

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

Q10. Which of the following gas does not contribute to the global warming?

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