Science Question Bank
for Exam preparation

Science- Q2. Substances through which electricity cannot flow are called:

1. Conductors
2. Insulators
3. Wires
4. Battery

Science- Q3. Which of the following is a large blood vessel that carries blood away from the heart?

1. Vein
2. Artery
3. Capillary
4. Nerve

Science- Q4. The heating elements of electric iron and toaster are made of:

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

Science- Q5. What should be present in a substance to make it a conductor of electricity?

1. Strongly held electrons
2. Strongly held protons
3. Free electrons
4. Free protons

Science- Q6. Name a gas used as rocket propellant and in welding also?

1. Ether
2. Neon
3. Hydrogen
4. Cyanogen

Science- Q7. Joule is a unit of:

1. Work
2. Power
3. Momentum
4. None of the above

Science- Q8. 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

Science- Q9. Which of the following is an air-borne disease?

1. Measles
2. Typhoid
3. Pink eye
4. None of the above

Science- Q10. Which of the following is the unit of radioactivity?

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