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