AIC JS 2 Basic Science Revision Test
  • 1. ______elements are elements that have unstable atomic nuclei
A) radioactive
B) molecular
C) atomic
D) none of the above
  • 2. The following are examples of radioactive elements except
A) carbon 14
B) radon
C) uranium
D) hydrogen
  • 3. ______ consist of two protons and two electrons
A) alpha radiation
B) omega
C) beta radiation
D) gamma radiation
  • 4. Carbon 14 is used in carbon dating to determine ______
A) nuclear energy
B) age of ancient artifacts
C) proton
D) electron
  • 5. ______ decay has no mass or charge
A) alpha decay
B) beta decay
C) radioactivity
D) gamma decay
  • 6. The following are importance of radioactivity except
A) pollution
B) radiometric dating
C) energy production
D) scientific research
  • 7. Direct exposure to high level of radiation can cause ______
A) none of the above
B) skin lightening
C) skin darkening
D) skin damage
  • 8. ______ are highly penetrating and can pass through most material
A) thronium
B) beta radiation
C) alpha radiation
D) gamma radiation
  • 9. ______ are binary compounds formed when oxygen combines with other elements
A) peroxide
B) trioxide
C) oxide
D) hydroxide
  • 10. The following are industrial preparation of oxygen except
A) liquefaction of air
B) fractional distillation of liquid air
C) decomposition of hydrogen peroxide
D) electrolysis of water
  • 11. ______is the process of coating iron metal with a layer of zinc(Zn)
A) application of oil
B) coating with enamel paint
C) electroplating
D) galvanization
  • 12. ______ is a quick reaction that releases heat and light
A) corrosion
B) smoking
C) burning
D) rusting
  • 13. ______ is formed after iron particles have been exposed to oxygen and moisture for a long period of time
A) none of the above
B) rusting
C) decomposition
D) burning
  • 14. ______ is the process whereby iron is coated with nickel
A) all of the above
B) galvanization
C) electrolysis
D) electroplating
  • 15. ______ is a slow process that happens over time
A) electroplating
B) burning
C) rusting
D) galvanization
  • 16. Na, O , Mg O, are ______ oxides
A) basic
B) acidic
C) neutral
D) amphoteric
  • 17. ______ oxides are oxides of metals which can react with both acid and alkalis to form salt and water only
A) neutral
B) basic
C) acidic
D) amphoteric
  • 18. Aluminum and Zinc are oxides of ______
A) amphoteric oxides
B) peroxide
C) basic oxide
D) acidic oxide
  • 19. ______ is the transfer of pollen grains from male anther of a flower to the female stigma
A) pollination
B) none of the above
C) reproduction
D) transportation
  • 20. ______ is a state of absolute well being of an individual as it relates to reproduction and his or her reproductive part
A) pollination
B) reproduction
C) reproductive well being
D) reproductive health
  • 21. ______ involves the fusion of male and female gametes in their reproductive system
A) human excretory system
B) human respiratory system
C) human reproductive system
D) human digestive system
  • 22. ______ consist of testicles, scrotum, vas deferens, accessory gland and penis
A) male reproductive system
B) male excretory system
C) female reproductive system
D) male respiratory system
  • 23. ______ occurs when pollen from one flower is transferred to the pistils of another flower
A) cross pollination
B) self pollination
C) transportation
D) replication
  • 24. The process of fusion of sperm with egg to produce zygote is ______
A) fertility
B) reproduction
C) fertilization
D) production
  • 25. ______ can be defined as the spot or point where two or more bones meets
A) cartilage
B) joint
C) bone
D) muscle
  • 26. ______ provides support and protection for our organs
A) bones
B) tendon
C) cartilage
D) ligament
  • 27. ______is the skeleton found in soft bodied animals
A) exo skeleton
B) endo skeleton
C) endoscopic skeleton
D) Hydrostatic skeleton
  • 28. ______ is made up of vertebrate column, ribs, sternum and skull
A) axial skeleton
B) appendicular skeleton
C) static Skeleton
D) hydro skeleton
  • 29. Joints is made up of the following except
A) skull
B) tendon
C) bones
D) cartilage
  • 30. ______ occurs when pollen grains from the anther are transferred to the stigma of another flower on the same plant
A) transportation
B) self pollination
C) gross pollination
D) cross pollination
  • 31. The followings are types of flower except
A) waterleaf
B) hibiscus
C) roses
D) tulip
  • 32. ______ involve only one parent and the new offspring is produced genetically similar to the parent
A) asexual reproduction
B) sexual reproduction
C) asexual propagation
D) bisexual reproduction
  • 33. ______consist of a pair of ovaries, Fallopian tube, uterus and vagina
A) female reproductive organ
B) female digestive organ
C) female respiratory
D) female excretory organ
  • 34. A fertilized egg is called ______
A) uterus
B) embryo
C) zygote
D) ovum
  • 35. ______ help to cushion and reduce friction between bones
A) bones
B) tendon
C) ligament
D) cartilage
  • 36. ______ is the skeleton found inside the body of animal
A) hydrostatic skeleton
B) exoskeleton
C) endoskeleton
D) cartilage
  • 37. ______ is the process whereby embryo moves into uterus and gets attached to its wall
A) implantation
B) fertility
C) transfusion
D) fertilization
  • 38. ______ are muscles in which we have control over
A) immovable muscles
B) normal muscles
C) involuntary muscles
D) voluntary muscles
  • 39. A pure water has a boiling point of ______ degrees Celsius at standard pressure
A) 400
B) 200
C) 100
D) 300
  • 40. ______is a type of simple machine use to fasten two objects together
A) wedge
B) wheel and axle
C) screw
D) lever
  • 41. The following are types of lever except
A) first class lever
B) fourth class lever
C) third class lever
D) second class lever
  • 42. Heat wave can be transmitted through ______
A) pipes
B) vacuum
C) plastics
D) metals
  • 43. Heat conductors include the following except
A) aluminum
B) copper
C) mercury
D) plastics
  • 44. The boiling point of benzene is ______ degree Celsius
A) 80.4
B) 80.3
C) 80.1
D) 80.2
  • 45. Efficiency of a machine is expressed in ______
A) seconds
B) joules
C) percentage
D) newton
  • 46. Heat insulators include the following except
A) lead
B) grass
C) water
D) wood
  • 47. The unit of heat is ______
A) ohms
B) joules
C) Newton
D) volt
  • 48. ______ is a simple machine used in construction sites to raise or lower heavy load
A) pulley
B) wheel and axle
C) inclined plane
D) wedge
  • 49. ______ can be stopped through by a few millimeters of aluminum
A) gamma radiation
B) beta radiation
C) alpha radiation
D) radioactivity
  • 50. ______ can be defined as the ratio of work output of the machine to the total work input
A) efficiency
B) mechanical advantage
C) velocity ratio
D) simple machine
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