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everyday science MCQs

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs

Everyday Science MCQs: Study Guide

Everyday science tests practical understanding of basic biology, chemistry, physics, earth science and technology. Learning why an answer is correct is more durable than memorising an isolated option.

Topics to revise

  • Human body and health
  • Matter and chemical change
  • Force, work and energy
  • Light, sound and electricity
  • Earth and atmosphere
  • Space and astronomy
  • Environment and ecosystems
  • Everyday technology

How to prepare

Revise school-level concepts, connect each concept to a familiar example, then practise mixed questions. When an answer is wrong, write a one-sentence explanation of the governing principle before trying a similar item.

Common questions

Do I need advanced science for everyday science MCQs?

Most preparation begins with clear school-level concepts, although the required depth depends on the specific examination syllabus.

Why are explanations important in science MCQs?

An explanation helps you apply the same principle when an examiner changes the wording or example.

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
2. The biggest planet in our solar system is___________?
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A. Venus

B. Jupiter

C. None

D. Pluto

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

8. The nearest planet to the Earth is _________?
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A. Moon

B. Mercury

C. Mars

D. Venus
9. Animal which captures and readily kills living animals for its food is called___________?
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A. Predator

B. None of these

C. Parasite

D. Mammal

E. Scavenger

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

14. The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?
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A. Botany

B. Astronomy

C. None

D. Zoology
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

17. The lifespan of Red Blood Cells is __________ days?
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A. 120

B. 240

C. 60

D. 180

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
20. A device which converts chemical energy into electrical energy is called __________?
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A. motor

B. moving-coil meter

C. generator

D. battery
21. Copper can be converted into gold by ?
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A. heating

B. Electroplating

C. Chemical reaction

D. Artificial radioactivity
22. One of the countries through which equator passes is___________?
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A. Pakistan

B. Kenya

C. Malta

D. Malaysia

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

29. In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________?
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A. Galvanization

B. Annealing

C. Vulcanization

D. Electroplating

30. Tibia is a bone found in the ____________?
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A. Arm

B. Skull

C. Leg

D. Face

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

32. The three elements needed for healthy growth of plants are __________?
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A. N, P, K

B. N, C, P

C. N, K,

D. N, S, P

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

34. Deficiency of __________ causes loss of appetite and poor growth?
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A. zinc

B. iodine

C. iron

D. copper

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
36. Max Planck received the noble prize in Physics in 1918 for his discovery of ?
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A. positron

B. energy quanta

C. electron

D. photon

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

43. According to Big Bang Theory, the Universe began about __________ billion years ago.
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A. 40 50

B. 10 20

C. 20 30

D. 30 40

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

45. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?
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A. increase

B. remains constant

C. also decrease

D. none of these

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