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