Everyday Science CSS Paper 1978

FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POST
IN BPS-17 UNDER THE FEDERAL GOVERNMENT, 1978
GENERAL KNOWLEDGE, PAPER – I EVERYDAY SCIENCE

Time Allowed: 2 Hours Maximum Marks: 50
Note: (i) This question paper consists of FOUR parts.

PART – I
1. Name any two Chemical fertilizers.
2. Name two common commercial solvents.
3. Which fuel is used by Jet aeroplanes.
4. How does a barrage differ from dam?
5. What is added to commercially used ethyl alcohol! to render it unsuitable for human consumption?
6. Name two materials we use which are produced by insects.
7. Name any two components of Natural Gas.
8. Which gas is filled in balloons to make it lighter than air.

PART – II
9. Define any Three of the following Each question carries 3 marks. 09
1. Exothermic chemical reaction. 2. Heavy water. 3. Hormones. 4. Alloy. 5. Unsaturated edible oils

PART – III

1. Where are the deposits of the following minerals found in Pakistan. Each correct answer will earn one mark.
2. Copper, 2. Coal, 3. Mica, 4. Iron, 5. Petroleum, 6. Precious stones.

PART – IV

1. Answer any Five of the following question. Each questions carries five marks.
2. What is the ultimate source of energy for all living things? How is this energy trapped and cycle among living thing?
3. What is a reprocessing plant? What is the important of such a plant for a country deficient in conventional energy sources?
4. What is a transistor? Briefly describe its impact on our daily life
5. How is malaria acquired by man? Which preventive measures should be adopted against at the individual and the community level.
6. Name the raw materials used in the manufacture of glass. Where are the deposits of these materials in Pakistan?
7. Name the genetically transmitted diseases of man. How can the danger of such diseases be reduced in a community?
8. Discuss the merits of establishing several smaller.industrial units as against few but very large units particular reference to sugar and cement.
9. Enumerate various petrochemical products which can be manufactured from natural gas. Is it advisable to burn this gas as a source of heat?