Science Question Bank
for Exam preparation

Q2. Who was the inventor of radioactivity?

1. Madam Curie
2. Irine Curie
3. Henery Bacqurel
4. Rutherford

Q3. The acidic nature and basic nature of some salt solutions can be explained on the basis of:

1. Splitting of a salt compound
2. Hydrolysis of salts
3. Both A and B
4. Only B

Q4. Name a gas which is produced from fermentation of sugar?

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

Q5. Which of the following compound is not used as an alkali?

1. Sodium hydroxide
2. Potassium hydroxide
3. Carbon hydroxide
4. Nitrogen hydroxide

Q6. Which is a communicable disease?

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

Q7. The atomic number of four elements P, Q, R, S are 6, 8, 10 and 12 respectively. The two elements which can react to form ionic compounds are:

1. P and S
2. Q and R
3. P and R
4. Q and S

Q8. Who among the following scientist invented the Microphone?

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

Q9. Which of the following is the heaviest metal?

1. osmium
2. mercury
3. iron
4. nickel

Q10. Which vitamin is needed to prevent Xero-phthalmia?

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