FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POST
IN BPS-17 UNDER THE FEDERAL GOVERNMENT, 1977
GENERAL KNOWLEDGE, PAPER – I EVERYDAY SCIENCE
Time Allowed: 2 Hours Maximum Marks: 50
Note: (i) Attempt any TEN questions.
(i) All questions carries equal marks.
- Under what principle is electricity produced by water help up by a dam?
2 What is the difference, in principle, between the atom bomb and the hydrogen bomb?
3 Explain:
(i) Why is it easier to push a heavy grass mover than to lift it?
(ii) How does a hot cup of tea lose its heat?
- Elucidate:
(i) In what ways are living beings different from inanimate things
(ii) How is a rainbow formed? -
How can steel be manufactured from ore? Explain with reference to the conditions in Pakistan.
-
What are trade winds and anti-trade winds? How and when are they formed?
- What is the difference between small-pox and measles? Can these diseases he prevented? If so, how?
-
How is the crude petroleum refined? What are the petroleum and their uses?
-
What is the duration of day and night in the polar regions. Explain with reasons
-
How do plants make their food? What is the end product in this process?
-
How does the theory of evolution explain the origin of species?
-
In what does the theory of evolution explain the origin of species?
-
Elucidate the mechanism whereby a submarine is able to operate under the sea.
-
Compare and contrast, in respect of their contribution to science
(i) Newton and Einstein (ii) Kepler and Copernicus (iii) Darwin and Lamarck. -
Explain the process of circulation of blood through the heart.