EVERYDAY SCIENCE PAPER 1998
Note: Attempt 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.
2. Discuss briefly the achievements of Muslims in the development of science. State the reasons of downfall of science in Muslim Society.
3. Discuss in detail the fission and fusion processes. Which one of thee processes in the source of solar energy?
4. Give a detailed description of global warming and its possible effects on life. What measures have been taken by various nations to tackle this problem?
5. Give chemical name of one Nitrogenous and one Phosphorus containing fertilizer. What is the role of Nitrogen, Phosphorous and Potash in the growth and development of various parts of a plant.
6. Write short notes on the following:
(i) Conductor
(ii) Resistor
(iii) Semi-conductor
(iv) Thermistor
(v) Transistor
7. Write short notes on five of the following:
(i) Antibody
(ii) Blood group
(iii) Carbon cycle
(iv) Nitrogen cycle
(v) Scavenger
(vi) Reaction time
(vii) Photosynthesis
(viii) Starfish
8.Which of the following statements are true?
(i) Trout is a sea fish
(ii) Epiphytes is a plant that grows upon another plant.
(iii) Hepatitis is inflammation of membranes surrounding the brain.
(iv) Meningitis is the inflammation of liver.
(v) Equinox is the time when the sun appears vertically overhead at noon at the equator.
(vi) Drought is a long period of rain.
(vii) Joseph Aspdin is the inventor of cement.
(viii) Neurology is the science of nervous system.
(ix) Biochemistry is the application of statistics in the study of Biology.
(x) Aviculture is the science of the rearing of animals.
9. 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) Cusec
10. Match the cause of the disease:
DISEASE
Rickets
Goiter
Typhoid
Merismis
Malaria
CAUSE
Plasmodium
Protein deficiency
Iodine deficiency in diet
Salmonella typhosa
Deficiency of vitamin D
11. What is the function of each of the following in a motor car:
(i) Gear box
(ii) Battery
(iii) Carburetor
(iv) Dynamo
(v) Radiator
12. Explain the following
(i) Blood group
(ii) Short circuit
(iii) Short sight
(iv) International date line
(v) Plaster of Paris
13. Answer the following
(i) Of what lead pencils are made of?
(ii) Why is one’s breath 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.
14. Fill in the blanks
(i) ___________ is a hypothetical region of space having a gravitational pull so great that no matter or radiation can escape from it.
(ii) ___________ are used against mould and fungi.
(iii) The science which deals with heredity is known as ___________.
(iv) Insulin is used for the treatment of ___________.
(v) ___________ is the first space man.
(vi) ___________ is the farthest planet from the sun in Solar System.
(vii) The distance between the earth and the sun is called ___________.
(viii) The study of chemical processes of living organisms is called ___________.
(ix) The first computer virus invented by two Pakistani brothers is called the ___________.
(x) Severe efficiency of vitamin C results in ___________.
15. 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 monkey
(v) Hydrostatics and hydrodynamics
(vi) Comet and meteor
(vii) Barrage and dam
(viii) Electron and hole
(ix) Isobars and isotopes
(x) Autopsy and biopsy.