Science Question Bank
for Exam preparation

Science- Q2. Who among the following scientist invented the Microphone?

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

Science- 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

Science- 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

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

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

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

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

Science- 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

Science- Q8. Which instrument is used to measure potential difference?

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

Science- 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

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

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