Science Question Bank
for Exam preparation

Q2. Which of the following are electrovalent compounds?

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

Q3. Find out the salient features of environment:

1. It is the sum of biotic and abiotic elements.
2. It is based on the4 interactive and functional relationship between and biotic and abiotic
3. It always tens to maintain ecological balance.
4. All of the above

Q4. Name the salt when dissolved in water give an acidic solution?

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

Q5. 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

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

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

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. The most visually striking evidence of global warming is:

1. The increased precipitation along the Gulf coast states
2. Highly varying temperature fluctuations felt during the winter months
3. Rapid melting of glacial ice on nearly every continent
4. All of the above

Q9. Which of the following are semi-conductors?

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

Q10. Which of the following compound is not used as an alkali?

1. Sodium hydroxide
2. Potassium hydroxide
3. Carbon hydroxide
4. Nitrogen hydroxide