Science Question Bank
for Exam preparation

Q2. How much force does one coulomb of electric charge exerts on an equal charge placed at a distance of one meter from it?

1. 9 * 109 Newton
2. 10 * 109 Newton
3. 9 * 108 Newton
4. 8 * 109 Newton

Q3. Which of the following is/are the correct definition of evolution?

1. Cumulative development in the characteristics of species over time.
2. It is a process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth.
3. Processes that give rise to biodiversity at every level of biological organisation, including the levels of species, individual organisms, and molecules.
4. All of the above

Q4. Detergent is defined as.....

1. A liquid surfactant
2. A liquid soluble
3. A liquid solvent
4. A liquid solution

Q5. On what does the strength of magnetic field produced by a current carrying solenoid depend?

1. Number of turns in solenoid
2. Strength of current
3. Nature of core material
4. All of the above

Q6. Which of the following is not a radioactive element?

1. Astatine
2. Francium
3. Titanium
4. Zirconium

Q7. Which of the following is a large blood vessel that carries blood away from the heart?

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

Q8. 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

Q9. Halley's comet completes one revolution around the sun in:

1. 40 years
2. 46 years
3. 60 years
4. 76 years

Q10. Who among the following scientist invented the Microphone?

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