Science Question Bank
for Exam preparation

Q2. Vaccination was started by.......

1. Jonas E. Salk
2. Paul Muller
3. Edward Jenner
4. Robert Frost

Q3. The mass number of an atom is:

1. Number of nucleons in the nucleus
2. Number of protons in the nucleus
3. Number of neutrons in the nucleus
4. None of these

Q4. Which vitamin is needed to prevent Xero-phthalmia?

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

Q5. Which of the following statement (s) is correct about luminous Intensity?

1. It is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle.
2. The SI unit of luminous intensity is the candela (cd), an SI base unit.
3. Only A
4. Both A & B

Q6. Mushrooms are/can be:

1. A variety of fungus
2. Fleshy, fruiting bodies of the fungus
3. Grown in small sheds or plots
4. All the above

Q7. Which one of the following is not correctly matched?

1. Haemoglobin: Skin
2. Vitamin C: Scurvy
3. Carbohydrate: Potato
4. Fat: Butter

Q8. Substances through which electricity cannot flow are called:

1. Conductors
2. Insulators
3. Wires
4. Battery

Q9. What is the work done in moving a unit positive charge from infinity to that point in electric field called?

1. Electric potential
2. Potential difference
3. Electric current
4. Electric circuits

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

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