Everyday Science CSS Paper 1998

FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POST
IN BPS-17 UNDER THE FEDERAL GOVERNMENT, 1998
GENERAL KNOWLEDGE, PAPER – I EVERYDAY SCIENCE
Time Allowed: 2 Hours Maximum Marks: 50
Note: Attempt any ten questions. All questions carry equal marks
1. “Earthquakes have helped a great deal in deciphering the internal structure of the earth”. Comment on this statement.

1. Discuss briefly the achievements of Muslims in the development of science. State the reasons of downfall of science in Muslim Society.

2. Discuss in detail the fission and fusion processes. Which one of these process is the source of Solar energy?

3. Give a detailed description of global warning and its possible effects on life. What measures have been taken by various nations to tackle this problem.

4. Give chemical name of Nitrogenous and one Phosphorus containing fertilizer. What is the role of Nitrogen, Phosphorus and Potash in the growth and development of various parts of a plant.

5. Write short notes on the following:
   (i) Conductor (ii) Resister (iii) Semiconductor (iv) Thermistor (v) Transistor

6. Write short notes on Five of the following:
   (a) Antibody (b) Blood groups (c) Carbon cycle (d) Nitrogen cycle (e) Scavenger (f) Reaction time (g) Photosynthesis (h) Starfish

7. Which of the following statements are true?
   (a) Trout is a sea fish.
   (b) Epiphytes is a plant that grows upon another plant.
   (c) Hepatitis is inflammation of membranes surrounding the brain.
   (d) Meningitis is the inflammation of liver
   (e) Equinox is the time when the sun appears vertically overhead at noon at the equator.
   (f) Drought is a long period of rain.
   (g) Joseph Aspadin is the inventor of cement.
   (h) Neurology is the science of nervous system.
   (i) Biometry is the application of statistics in the study of Biology
   (j) Aviculture is the science of the rearing of animal.

8. Name the quantities which are measured by the following units:
   (i) Newton (ii) Joule (iii) Watt (iv) Volt (v) Light year (vi) Angstrom (vii) Acre-foot (viii) Becquerel (ix) Hertz (x) Cusecs

9. Match the cause of disease:
   Disease
   (a) Rickets
   (b) Goitre
   (c) Typhoid
   (d) Merismis
   (e) Malaria

Cause
(a) Plasmodium
(b) Protein Deficiency
(c) Iodine Deficiency in diet
(d) Salmonella typhosa
(e) Deficiency of vitamin D

1. What is the function of each of the following in a motor car:
   (a) Gear Box (b) Battery (c) Carburettor (d) Dynamo (e) Radiator

2. Explain the following
   (a) Blood Group (b) Short circuit (c) Short sight (d) International date line (e) Plaster of Paris

3. Answer the following:
   (i) Of what lead pencils are made of?
   (ii) Why is one’s breadth visible in cold but not in hot weather?
   (iii) What is the chemical composition of diamond?
   (iv) Name the vaccine that protects against tuberculosis.
   (v) Name the disease of the liver that causes a patient to turn yellow.

4. Fill in the blanks.
   (i) ____ is hypothetical region of space having a gravitational pull so great that no matter or radiation can escape from it.
   (ii) ____ are used against moulds and fungi.
   (iii) The science which deals with heredity is known as ____ .
   (iv) Insulin is used for the treatment of ____ .
   (v) ____ is the farthest planet from the sun in Solar System.
   (vi) The distance between the earth and the sun is called ____ .
   (vii) The study of chemical processes of living organisms is called ____ .
   (viii) The first computer virus invented by two Pakistani brothers is called ____ .
   (ix) Severe deficiency of vitamin C results in ____ .

5. Differentiate between any five of the following:
   (i) Artery and vein (ii) Hard water and Soft water (iii) E-mail and Snail mail (iv) Apes and Monkeys (v) Hydrostatics and Hydrodynamics (vi) Comet and Meteor
   (vii) Barrage and Dam (viii) Electron and hole (ix) Isobars and Isotopes (x) Autopsy and Biopsy