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AIC JS 1 Basic Science 3rd CA
Contributed by: College
  • 1. If a force of 10N moves through a distance of 1m in the direction of the force, the workdone is ______
A) 30j
B) 10j
C) 40j
D) 20j
  • 2. The smallest planet is ________
A) Saturn
B) Mars
C) Jupiter
D) Mercury
  • 3. ________ and ________ are the main bodies that revolve round the sun
A) energy and power
B) stars and galaxies
C) planets and moon
D) all of the above
  • 4. ________is the wearing away of the top soil
A) bush burning
B) rainfall
C) soil erosion
D) farming
  • 5. The 3 major processes of formation of water cycle are
A) transportation, transpiration and evaporation
B) All of the above
C) conducting, convection and radiation
D) evaporation, condensation and precipitation
  • 6. EMR means
A) electromagnetic radio
B) electromagnetic radiation
C) electrical magnet radio
D) electronic management radiation
  • 7. The following are preventions of soil erosion except
A) planting of cover crops
B) deforestation
C) avoid overgrazing
D) mulching
  • 8. The composition of gaseous nitrogen in air is ________
A) 77%
B) 76%
C) 79%
D) 78%
  • 9. ________ is the continuous movement of water on, above or below the surface of earth
A) nitrogen cycle
B) carbon cycle
C) oxygen cycle
D) water cycle
  • 10. ________ is the collection of rain water by trapping it from the roof of houses, rock and trees
A) collation
B) harvesting
C) collection
D) conversation
  • 11. ________ is colorless, tasteless and odorless fluid
A) fuel
B) air
C) water
D) liquid
  • 12. ________ and ________are types hardness of water
A) tertiary and primary hardness
B) primary and secondary hardness
C) permanent and temporary hardness
D) stable and unstable hardness
  • 13. ________ is a mixture that contains more than one type of particle or different substances mixed together
A) pure substance
B) impure substance
C) none of the above
D) two pure substances
  • 14. A uniform composition of pure substance is called ________
A) homogeneity
B) all of the above
C) chemical test
D) melting and boiling points
  • 15. pH means
A) potential of hydrogen oxide
B) potential of helium
C) potential of hydrogen peroxide
D) potential of hydrogen
  • 16. ________is the process of rapid mixing of chemical known as coagulants
A) coagulation
B) filtration
C) ammoniation
D) fluoridation
  • 17. ________is the addition of lime and soda ash
A) transpiration
B) chlorination
C) ammoniation
D) lime treatment
  • 18. The following are effect of soil erosion except
A) maintains soil texture
B) loss soil fertility
C) destroy soil structure
D) lead to collapse of buildin
  • 19. If a force of 10N moves through a distance of 1m in the direction of the force, the work done is_______
A) 30j
B) 40j
C) 10j
D) 20j
  • 20. Both kinetic energy and potential energy are measured in_______:
A) joules
B) newton
C) seconds
D) meter
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