- 1. The form of energy referred to as electromagnetic radiation because it is composed of both electric and magnetic field is called_____________
A) Light energy
B) Magnetic energy
C) Mechanical energy
D) Electrical energy
- 2. ______________ occurs when incident rays of light which strike the surface of a body or object are sent back.
A) Reflection of light
B) Refraction of light.
C) Retaliation of light
D) Redirection of light
- 3. One of these is a type of reflection.
A) Angular reflection
B) Scattered reflection
C) Straight reflection
D) All of the above
- 4. When parallel ray of light falls on a smooth surface, it is called_______________
A) None of the above
B) Irregular reflection
C) Regular reflection
D) Difussed reflection
- 5. _________ is a stone like iron rich material which has the natural ability to attract other small piece of certain metals.
A) Gold
B) Diamond
C) Aluminum
D) Lodestone
- 6. Like poles of magnet repel one another while unlike poles attract one another.
A) I don't know
B) False
C) Non of the above
D) True
- 7. Which of the following is an application of magnetic field in technology?
A) Running
B) Gun
C) Coding
D) Loud speaker
- 8. Magnet consists of how many poles?
A) 4
B) 2
C) 1
D) 3
- 9. ______________ is any object that produces an inevitable area of magnetism all around it.
A) Conductor
B) Magnet
C) Adhesive
D) Attraction
- 10. ___________ is the region of space around a magnet where magnetic effect can be field.
A) Electric field
B) Electromagnetic field
C) Magnetic field
D) Al-Ameen field
- 11. What is the wavelength of the sound wave generated from a drum vibrating at a frequency of 150hz in air? Assume V for sound = 330m/s.
A) 80m/s
B) 480m/s
C) 49.500m/s
D) 2.2m/s
- 12. The velocity, frequency and wavelength of sound wave are connected by the formula.
A) W= FD
B) V=fΠ
C) F= MA
D) Non of the above
- 13. ______________ is a form of energy generated by a vibrating body.
A) Music
B) Beat
C) Tone
D) Sound
- 14. Reflection of sound from a plane surface gives rise to _____________
A) Rays
B) Vibration
C) Noise
D) Echo
- 15. ______________ is the persistence of sound after the source stops.
A) Recreation
B) Reflection
C) Repetition
D) Reverberation
- 16. Electricity can be produced in two ways namely ________
A) Natural and artificial
B) Current and obsolete
C) Good and bad
D) Positive and negative
- 17. Which of these is not an example of radioactive elements?
A) Radium
B) Polonium
C) Uranium
D) Davinium
- 18. _____________ is defined as the spontaneous disintegration of radioactive elements with the emission of alpha, beta and gamma Ray resulting in release of energy.
A) Radioactivity
B) Decay
C) Diffussion
D) Scintillation
- 19. Radiation can be detected through the following devices except
A) Geiger-muller tube
B) Photographic plate
C) Microscope
D) Decaton counter
- 20. Echo can be used to determine __________
A) All of the above
B) Speed of a ship
C) Direction of moving car
D) Velocity of sound in air
- 21. Agents of erosion include the following except --------
A) Wind
B) Glacier
C) Water
D) Ice
- 22. Which of the following is not a cause of soil erosion?
A) Road construction
B) Felling of trees
C) Bush burning
D) Industrialisation
E) Smoking
- 23. Control of soil erosion includes the following except ----------
A) Planting of cover crops
B) Making of ridges use of sandbags
C) Tilling of soil
D) Mulching
- 24. These are measures to prevent flooding except -------
A) Constructions of massive walls
B) Constructions of reservior
C) Constructions of roads
D) Dredging of rivers
- 25. Some of the effects of flooding on the community and farmlands include all except --------
A) Can create networking
B) Flooding can sack a population
C) Can collapse and damage roads
D) Destroys farmlands and crops
- 26. Deforestation may lead to the following except --------
A) The beauty of the environment may disappear
B) May lead to thunder strike
C) Entire landscape may be turned to desert
D) Excessive sun radiant energy
- 27. Excessive release of CO2 results in ------------
A) Global warming
B) Barrenness of soil
C) Extinction of animal
D) Naturalisation
- 28. Factors influencing bush burning include the following except
A) Cigarette butts
B) Gambling
C) Thunder strikes
D) Hunting
- 29. Excess-released CO2 are usually found in the ------------
A) Troposphere
B) Thermosphere
C) Exosphere
D) Aerosphere
- 30. NAFDAC means -----------
A) Nigerian Agenda for Food and Drug Administration and Concern
B) National Agency for Food and Drug Administration and Control
C) National Agenda for Food and Drug Administration and Control
D) Nigerian Agency for Food and Drug Administrative and Control
- 31. NDLEA means -----------
A) National Drug Law Enforcement Agency
B) Nigeria Drug Law Enforcement Agent.
C) National Drug Lord Enforcement Agency
D) Nigerian Drug Law Enforcement Agency
- 32. Effects of drug abuse on health include one of the following ----------
A) Rudeness
B) Impatience
C) Hallucination
D) Rape
- 33. The history of a family exposing how all the people are related to one another is called ----------
A) Genealogy
B) Archaeology
C) Traits
D) Synecology
- 34. The unit structure of heredity is known as -----------
A) Gene
B) Variation
C) Traits
D) Hereditary
- 35. ---------- trait is the overriding traits in a family, inherited from parents
A) Recessive
B) Dominant
C) Genotype
D) Recession
- 36. Use of sandbag is a control for _________ erosion.
- 37. Occasionally, canal may carry excessive water, leading to ---------
- 38. If deforestation is not checked , the entire landscape may turn to a -------
- 39. Global warming is a phenomenon termed as _________ effect [Type your answer in one word.]
- 40. Crime detection is one of the importance of ________ trait.
- 41. _________ is a dark complex mixture of solid , liquid and gaseous hydrocarbons.
A) Crude oil
B) Bitumen
C) Petroleum
D) Diesel
- 42. Organic compounds made up of hydrogen and carbons only is called ___
A) Petrochemical
B) Hydrogenation
C) Hydrocarbons
D) Carbonation
- 43. Intermediate raw materials derived from petroleum that are used in the manufacture of fertilisers , plastics solvents and drugs etc are called ----------
A) Petroleum
B) Carbon black
C) Petrochemicals
D) Crude oil
- 44. The following are examples of petrochemicals except --------
A) Methanols
B) Diesel
C) Ethylene oxide
D) Petroleum
- 45. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) Neutrality
B) pH
C) Acidity
D) Alkalinity
- 46. Calculate the pH of 0.006M solution of HCL.
A) -4.2
B) 2.2
C) -3.2
D) 4.2
- 47. One of the following is used as refrigerant.
A) Methyl chloride
B) Vaseline
C) Pentyl alcohol
D) Parrafin wax
- 48. --------- is described as a special talent developed by individual naturally.
A) Job
B) Skill
C) Skill acquisition
D) Job acquisition
- 49. _______ is described as the process of learning to perform a task or function and becoming and expert in it.
A) Skill
B) Self- employment
C) Job acquisition
D) Skill acquisition
- 50. All are reasons for skill acquisition except ------------
A) To stay afloat in a competitive economy
B) To be redundant in the society
C) Job opportunity
D) Self employment
- 51. The substances that are made up of the building blocks of nature called atom is known as ---------
A) Mixture
B) Compound
C) Chemicals
D) Element
- 52. The following are examples of organic chemicals except --------
A) Nitrogen
B) Benzene
C) Methane
D) Ethene
- 53. The following are inorganic chemicals except ---------
A) Calcium nitrate
B) Sodium chloride
C) Ethene
D) Sodium carbonates
- 54. One of the following is an example of hazardous chemicals:
A) Municipal refuse
B) Dynamites
C) Carbondioxide
D) Perfumes
- 55. The following are non hazardous chemicals except ------
A) Biodegradable domestic wastes
B) Soaps
C) Municipal refuse
D) Sodium hydroxide
- 56. Cumene is an example of --------
- 57. --------------- is used for the manufacture of shoe polish. [Your answer may be 2 words separated by a single space.]
- 58. Crude oil and natural gas originate from microbial decomposition of marine plants and animals called ------------
- 59. The petrochemical used as refrigerant is called ------------- [Your answer may be 2 words separated by a single space.]
- 60. Modern civilisation is driven by energy supplied from ------------
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