Science Question Bank
for Exam preparation

Science- Q2. 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

Science- 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

Science- Q4. Which of the following statement is true about ionic compounds?

1. Ionic compounds conduct electricity when dissolved in water.
2. Ionic compounds are not soluble in water.
3. Ionic compounds are crystalline solids.
4. Only A and C

Science- Q5. As a vegetable preservative poly______ foam is used.

1. Uthane
2. Uriathenes
3. Urathanes
4. Urethanes

Science- Q6. Heart is made up of

1. Non-striated muscle
2. Cardiac muscle
3. Adipose tissue
4. Striated muscle

Science- Q7. SMOG is derived from:

1. Smoke
2. Fog
3. Both A and B

Science- Q8. What is an ionic bond?

1. Ionic bond is formed by sharing of electrons between two atoms.
2. It is a bond formed by the transfer of electrons from one atom to another.
3. Both A and B are correct
4. None of the above

Science- Q9. The inventor of the atomic theory is:

1. Rutherford
2. Madam Curie
3. John Dalton
4. Albert Einstein

Science- Q10. 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