Science Question Bank
for Exam preparation

Q2. Which vitamin is needed to prevent Xero-phthalmia?

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

Q3. 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

Q4. Who among the following scientist invented the Microphone?

1. Einstein
2. Edison
3. John & John
4. Janson & Janson

Q5. 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

Q6. Which salt is used as a raw material for making a large number of useful chemicals in industry?

1. Sodium Chloride
2. Ammonium Hydroxide
3. Ammonium Chloride
4. Sodium Nitrate

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. Name an inert diatomic gas which is neither combustible nor helps in combustion?

1. Carbon Dioxide
2. Hydrogen
3. Nitrogen
4. None of the above

Q9. Which of the following is not a primary food product?

1. Vegetables
2. Milk
3. Cereals
4. Fruits

Q10. 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