Science Question Bank
for Exam preparation

Q2. Consider the following statement (s) related to the Magnetism I. It is a class of physical phenomena that are mediated by magnetic fields. II. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. Which is/are correct statement (s)?

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

Q3. Which of the following is the major photochemical smog?

1. Peroxyl acetyl nitrate
2. Smog
3. Hydrogen peroxide
4. Chlorofluorocarbon

Q4. The commercial unit of Energy is:

1. Watt
2. Watt-hour
3. Kilowatt-hour
4. Kilowatt

Q5. Power loom invention is associated with:

1. Devi
2. Johnson Harrison
3. Edmund Cartwright
4. Walter Hunt

Q6. What makes a reptile a reptile?

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

Q7. Which of the following device converts chemical energy in to electrical energy?

1. Battery
2. Loud Speaker
3. Solar Cell
4. Electric Motor

Q8. Which one is not the form of Biocides?

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

Q9. On what does the strength of magnetic field produced by a current carrying solenoid depend?

1. Number of turns in solenoid
2. Strength of current
3. Nature of core material
4. All of the above

Q10. Name a gas which is used in refrigeration and in fire extinguisher?

1. Nitrogen
2. Hydrogen
3. Carbon Dioxide
4. Methane