Everyday Science CSS Paper 1984

FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POST
IN BPS-17 UNDER THE FEDERAL GOVERNMENT, 1984
GENERAL KNOWLEDGE, PAPER – I EVERYDAY SCIENCE
Time Allowed: 2 Hours Maximum Marks: 50
Note: Attempt Ten questions in all. Answer should be brief and to the point. All questions carry equal marks

  1. What do you know about Bacteria and Virus? Name a common Viral and Bacterial disease of man.

  2. Honey bee is called the social insect. Discuss.

  3. Name the four basic food groups. What are the factors affecting the food needs of a person?

  4. What is short-sightedness and how it can be corrected?

  5. What is the difference between a physical change and a chemical change? State whether the following are physical changes or chemical changes:
    (i) Burning of a Candle (ii) Lightning of a bulb (iii) Boiling of an egg

  6. Describe the construction and working of a dry battery cell.

  7. What do you understand by climate? What are the factors which influence climate?

  8. Answer any Two of the following:
    (i) Why do people’s voice sound differently?
    (ii)Why are the lamps in homes connected in parallel rather than in series?
    (iii) Why the front wheels of a vehicle lean outwards slightly?
    (iv) Why does a blotting paper absorb in?

  9. What is meant by knocking property of petrol? How is the anti-knocking property of fuel be improved?

  10. Write a concise note on yeast. What are the industrial uses of yeast?

  11. What is the difference between petro, kerosene oil and diesel oil?

  12. What are satellites? What do you know about communication satellites?

  13. Writes short notes on any Two of the following:
    (i) Drug abuse (ii) Clotting of blood (iii) Chromosome (iv) Breathing

  14. What is fermentation? Name three compounds which can be obtained industrially by fermentation.

  15. What is white light? How is a rainbow formed?

  16. What can be measured by the following instruments:
    (i) Hygrometer (ii) Barometer (iii) Lactometer (iv) Odometer (v) Polarimeter (vi) Tonometer (vii) Ammeter (viii) Tachometer (ix) Wattmeter (x) Thermometer

  17. An iron nail floats on mercury but sinks in water. Give reasons.

  18. How does the pouring of kerosene oil stagnant water contribute to the eradication of Malaria?

  19. Why is it dangerous to have a charcoal fire burning in a badly ventilated room?

20 State the utility of the following oils:
1. Linseed Oil, 2. Cotton Seed, 3. Corn Oil, 4. Soya bean Oil, 5. Peanut Oil, 6. Olive Oil, 7. Cocoa Oil, 8. Palm Oil, 9. Coconut Oil, 10 Castor Oil


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