Science Question Bank
for Exam preparation

Science- Q2. What makes a reptile a reptile?

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

Science- 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

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

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

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

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

Science- 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

Science- 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

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

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

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

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

Science- 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