Science Question Bank
for Exam preparation

Q2. Which of the following defense of the human body against bacteria?

1. Hemoglobin
2. Phagocytes
3. Red blood cells
4. Blood platelets

Q3. What is Air Quality Index?

1. It tells about the sound pollution
2. It measures air pollution mainly sulphur content in the air.
3. It measures ozone levels in your area.
4. It checks the colour of the air.

Q4. Consider the following statement (s) related to the force of friction I. It is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. II. When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it onverts work to heat). Which is/are correct statement (s)?

1. Only I
2. Only II
3. Both I & II
4. Neither I nor II

Q5. SMOG is derived from:

1. Smoke
2. Fog
3. Both A and B

Q6. Which of the following statement (s) is/are correct about viscosity?

1. It is a measure of a fluid's resistance to flow.
2. It is typically measured in dynes/cm, the force in dynes required to break a film of length 1 cm.
3. It is the ability of a body to resist a distorting influence or stress and to return to its original size and shape when the stress is removed.
4. None of the above

Q7. Which one is not the form of Biocides?

1. Salt
2. Iodine
3. Sugar
4. Bleech

Q8. Mention the source of Liver, milk, egg yolk, fish liver oil?

1. Vitamin A
2. Vitamin B2
3. Vitamin D
4. Vitamin C

Q9. Which is a communicable disease?

1. Asthma
2. Scurvy
3. Measles
4. Diabetes

Q10. The heating elements of electric iron and toaster are made of:

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