Science Question Bank
for Exam preparation

Q2. Which of the following is the part of non- living components of environment include landforms, climate, water-bodies, temperature, humidity, air etc.?

1. Physical Environment
2. Cultural Environment
3. Biological Environment
4. Cognitive Environment

Q3. The heating elements of electric iron and toaster are made of:

1. Metals
2. Alloys
3. Glass
4. Hard rubber

Q4. Hepatitis is a general term for a disease that is caused by:

1. Viruses
2. Bacteria
3. Parasites
4. All the above

Q5. Detergent is defined as.....

1. A liquid surfactant
2. A liquid soluble
3. A liquid solvent
4. A liquid solution

Q6. Which vitamin is needed to prevent Xero-phthalmia?

1. A
2. B
3. C
4. D

Q7. What do you understand by Food Web?

1. It deals with the relationship between the number of primary producers and consumers of different order.
2. It is the sequence of energy transfer from the lower levels to the upper or higher trophic levels.
3. A community of organisms where there are several interrelated food chains
4. None of the above/ More than the above

Q8. 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

Q9. A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?

1. Pollen
2. Sperm
3. Spore
4. Sporocyst

Q10. Which one of the following is not a function of the liver?

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