Everyday Science CSS Paper 1974

FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POST
IN BPS-17 UNDER THE FEDERAL GOVERNMENT, 1974
GENERAL KNOWLEDGE, PAPER – I EVERYDAY SCIENCE

Time Allowed: 2 Hours Maximum Marks: 50

Note: (i) Attempt any TEN questions.
(ii) Each question carries 5 marks.

1. What are the functions of various parts of a plant?

2. Give a brief account of the nervous system of the human body.

3. Describe the principle of unclear chain reaction.

4. Explain the factors which determine the climate of a place

5. Describe the difference between an acid, an alkali and salt.

6. What are the causes and effects of environmental pollution?

1. Describe the main ingredients of our food. What is meant by balanced diet?

2. Explain the cleansing action of soap.

3. Why is the colour of the sky blue?

4. Describe the action of a chemical type of fire-extinguisher.

5. Why do leaves change colour in autumn?

6. What is the difference between bacteria and viruses? Give two example of each.

7. What first-aid should be given in case a person’s clothing catches fire?

8. Describe the causes and early symptoms of tuberculosis

9. How does the human ear function?