everyday science Mcqs
1. The Green House Effect is caused by an excess of ?
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A. Carbon tetrachloride

B. None of the above

C. Carbon monoxide

D. Carbon dioxide
3. Water is a highly effective coolant for a car engine because _________?
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A. Water has very high specific heat capacity

B. Evaporation of water produces lot of cooling

C. Water boils at a comparatively high temperature

D. Water is good conductor of heat

4. Bronze is an alloy of ____________?
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A. Iron and Zinc

B. Copper and Zinc

C. None of these

D. Copper and Tin

E. Tin and Zinc

5. What is Dry Ice?
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A. Solid Hydrogen

B. Solid Carbon Dioxide

C. Solid Oxygen

D. Solid Nitrogen

6. Study of life in outer space is known as ?
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A. Neobiology

B. Endobiology

C. Micro biology

D. Exobiology

E. Enterobiology

7. Which of the following have maximum calorific value?
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A. Carbohydrates

B. Proteins

C. Fats

D. Vitamins

10. The Sun is a __________?
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A. Planet

B. Asteroid

C. Meteor

D. Star
11. Red blood corpuscles are formed in the____________?
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A. Liver

B. Kidneys

C. Bone marrow

D. Heart

12. Which one of the following is a non-metallic mineral?
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A. Bauxite

B. Magnesium

C. Manganese

D. Gypsum

E. None of these

13. Fuel used in a Fast Breeder Reactor is _____________?
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A. None of these

B. Uranium Plutonium Oxide

C. Uranium Plutonium carbide

D. Uranium Oxide

E. Uranium thorium Oxide

15. The lifespan of White Blood Cells is __________ day(s)?
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A. 3 7 days

B. 1 5 days

C. 4 8 days

D. 5 21 days
16. The good sources of iodine are_______?
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A. seeds

B. fresh vegetables and fruits

C. sea foods

D. green leafy vegetables

18. GPS is an abbreviation for?
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A. Global PolySiliconium Store

B. Global Positioning System

C. Global Poles System

D. Global Position Structure

19. The natural fats and oils are composed of_________?
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A. Carbon, Hydrogen and Nitrogen

B. Carbon, Oxygen and Nitrogen

C. Hydrogen, Oxygen and Nitrogen

D. Carbon, Hydrogen and Oxygen
21. Copper can be converted into gold by ?
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A. heating

B. Electroplating

C. Chemical reaction

D. Artificial radioactivity
23. The good sources of Vitamin-B Complex are?
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A. sea foods

B. green leafy vegetables

C. fresh vegetables and fruits

D. seeds
24. The famous book; Al Qanun was written by the Muslim scientist ?
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A. Jabar bin Hayyan

B. Abu Ali Sina

C. Abdul Qasim Majreeti

D. Zakariya Al Razi

25. A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________?
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A. Fall towards the train

B. Remain unaffected

C. Fall away from the train

D. Fall away from or towards the train depending upon the speed

26. What is Stealth Technology?
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A. A Technology by which it is possible for the aircrafts to spy in the enemy air-space

B. A coating which reduces the visibility of an aircraft on radar

C. A device which when attached to an aircraft makes it invisible on the radar

D. A technology by using which paratroopers can be dropped stealthily behind the enemy columns.

27. In general, wind speed of 10 13 kph caused_______?
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A. severe damage

B. extreme damage

C. considerable damage

D. minor or no damage
28. Instrument used for measuring very high temperature is __________?
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A. Seismograph

B. Xylometer

C. Pyrometer

D. Pyroscope

31. Quartz crystal in quartz watches work on the principle called?
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A. Piezo-electric effect

B. Thermionic effect

C. Photoelectric effect

D. None of these

E. Stark effect

33. In a very low temperature which from the following will freeze at last?
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A. Canal water

B. Sea water

C. River water

D. Water in a lake

35. German Silver is an alloy of___________?
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A. Zn + Ni

B. Cu + Sn

C. None of these

D. Cu + Zn

E. Cu + Ni
37. Humming bird belongs to a category called ?
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A. Ectotherm

B. Endotherm

C. Exotherm

D. Heterotherm.

38. The name of the common mineral salt present in sweat is ?
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A. Sodium Chloride

B. Iron Sulphate

C. Calcium Oxalate

D. None of these

E. Potassium Sulphate

39. The fruits without seed, like banana, are called_____________?
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A. Seedless fruits

B. placental fruits

C. Organic fruits

D. Parthenocarpic fruits

E. Parthenogenesis fruits

40. The science which deals with study of manners and customs of people is ?
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A. Genetics

B. Morphology

C. Ethics

D. None of these

E. Ethnology
41. Materials for rain-proof coats and tents owe their water proof properties to________?
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A. Viscosity

B. Specific gravity

C. Elasticity

D. Surface tension
42. Defeciency of following vitamin decreases hemoglobin production ?
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A. Thiamine

B. Pyridoxine

C. Biotin

D. Niacin

E. None of these

44. Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus ?
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A. Injection of heroine

B. None of these

C. Taking too much aspirin

D. Cigarette smoking

E. Using alcholo

46. Ozone layer prevents ______________ radiation from entering the atmosphere?
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A. Ultraviolet

B. Infra-red

C. Gamma rays

D. None of these

E. X-rays

47. The rear view mirror of a motor vehicle is ________?
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A. Plane

B. Concave

C. Convex

D. Biconcave

48. The instrument which measures very high temperature is____________?
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A. Chronometer

B. Pyrometer

C. Thermostat

D. Manometer

49. Radioactivity was discovered by __________?
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A. Rutherford

B. Thomson

C. Bacquerel

D. Kelvin

50. Lead ball falls through water more slowly than through air because __________?
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A. Of the viscous force in water

B. Of The surface tension of water

C. Density of air is less than that of water

D. The value of g is less in water