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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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2816
The falling off of leaves of deciduous trees is helpful to the plant because it
  • A. reduces the rate of transpiration
  • B. enables the plant to conveniently eliminate its excretory products
  • C. enables the plant to bear more fruits
  • D. ensures that the limited mineral salts get to only growing regions
View Answer & Discuss (1) WAEC 2011
2817
A sample of wet garden soil of known weigh was heated to constant weight. The loss of weight is due to loss of
  • A. water
  • B. organic matter
  • C. water and organic matter
  • D. water and inorganic matter
View Answer & Discuss WAEC 2011
2818
Assuming that a period of stable population size is followed by a period when natality increases by ten (1O) per cent and immigration increases by twenty (20) percent of population size. The population size will
  • A. be at equilibrium
  • B. increase by forty (40) per cent
  • C. begin to increase
  • D. begin to decrease
View Answer & Discuss (3) WAEC 2011
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2819
Which of the following methods does not make water fit for drinking?
  • A. Addition of chlorine
  • B. Boiling
  • C. Distillation
  • D. Addition of alum
View Answer & Discuss (17) WAEC 2011
2820
Vaccination results in
  • A. aiding red blood cells to carry more oxygen
  • B. production of antibodies which destroy toxins of germs
  • C. arresting excessive bleeding
  • D. production of white blood cells which engulf and digest bacteria.
View Answer & Discuss (1) WAEC 2011
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
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