Science Question Bank
for Exam preparation

Q2. What makes a reptile a reptile?

1. Cold blooded
2. Warm Blooded
3. Non-Hearing
4. Egg-laying

Q3. Select the correct term related to the phrase- ‘The entire complement of species of organisms, plants and animals, found within a given region’:

1. Community
2. Biotope
3. Biota
4. Biostasy

Q4. Which of the following are semi-conductors?

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

Q5. Name a gas which is used in refrigeration and in fire extinguisher?

1. Nitrogen
2. Hydrogen
3. Carbon Dioxide
4. Methane

Q6. What is an ionic bond?

1. Ionic bond is formed by sharing of electrons between two atoms.
2. It is a bond formed by the transfer of electrons from one atom to another.
3. Both A and B are correct
4. None of the above

Q7. 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

Q8. Name the salt when dissolved in water give an acidic solution?

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

Q9. Which of the following gas does not contribute to the global warming?

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

Q10. Soap consists of:

1. Sodium salt with fatty acids.
2. Potassium salt with fatty acids
3. Both a & b
4. Sodium and Potassium salt mixed with chemicals