Science Question Bank
for Exam preparation

Science- Q2. ------------- play a vital role of releasing essential materials from the dead matter and thus maintain a continuous cycle of energy flow and of material.

1. Saprophytes
2. Autotrophs
3. Hetrotrophs
4. None of the above/ More than the above

Science- Q3. Which of the following is a conductor of electricity?

1. Silver
2. Copper
3. Aluminum
4. All of the above

Science- Q4. What makes a reptile a reptile?

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

Science- Q5. The acidic nature and basic nature of some salt solutions can be explained on the basis of:

1. Splitting of a salt compound
2. Hydrolysis of salts
3. Both A and B
4. Only B

Science- Q6. Which organ of the body produces the fluid known as bile?

1. Liver
2. Pancreas
3. Gall bladder
4. Kidney

Science- Q7. What is the chemical name of Baking Soda?

1. Potassium Carbonate
2. Potassium Hydrogen Carbonate
3. Sodium Hydrogen Carbonate
4. Sodium Carbonate

Science- Q8. Name a gas which is produced from fermentation of sugar?

1. Ammonia
2. Butane
3. Propane
4. Carbon Dioxide

Science- Q9. How biocides work?

1. Control the multiplication of insects
2. Kill the insects
3. Manage the original form of material
4. Control the bacteria

Science- Q10. Which of the following is not a primary food product?

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