Science Question Bank
for Exam preparation

Q2. Who among the following scientist invented the Microphone?

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

Q3. What is gene pool?

1. Total genetic material contained in a population.
2. It is the stock of different genes in an interbreeding population.
3. Both A & B

Q4. Which of following pairs is/are correct?

1. Primary Consumers - Cow, insects and grasshoppers
2. Secondary Consumers – Frogs and lizards
3. Tertiary Consumers – Tiger, lion, leopard and vultures
4. None of the above/ More than the above

Q5. In which part of the body digestion of protein starts?

1. Mouth
2. Stomach
3. Duodenum
4. Intestine

Q6. Halley's comet completes one revolution around the sun in:

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

Q7. How biocides work?

1. Control the multiplication of insects
2. Kill the insects
3. Manage the original form of material
4. Control the bacteria

Q8. Which instrument is used to measure potential difference?

1. Galvanometer
2. Magnetometer
3. Voltmeter
4. Ammeter

Q9. 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

Q10. Which of the following is an air-borne disease?

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