Science Question Bank
for Exam preparation

Q2. 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

Q3. Name the salt whose aqueous solution will have no effect on either red litmus or blue litmus?

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

Q4. Which of the following is the nearest planet from the Sun?

1. Mercury
2. Venus
3. Earth
4. Mars

Q5. Which of the following is the major photochemical smog?

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

Q6. Which of the following is the unit of radioactivity?

1. Curie
2. Becquerel
3. Rutherford
4. All of these

Q7. The heating elements of electric iron and toaster are made of:

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

Q8. Name a gas which is produced from fermentation of sugar?

1. Ammonia
2. Butane
3. Propane
4. Carbon Dioxide

Q9. Climate represents……

1. The long-term average weather and its statistical variation for a given region
2. Weather averaged over a year
3. It is a measure of variations in the amount of precipitation
4. None of the above

Q10. Consider the following statement (s) about frequency I. It is describes as the number of waves that pass a fixed place in a given amount of time. II. It is measured in the hertz unit, named in honour of the 19th-century German physicist Heinrich Rudolf Hertz. Which is/are correct statement (s)?

1. Only I
2. Only II
3. Both I & II
4. All of the above