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Biology 1986 JAMB Past Questions

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26

A major limitation in the use of the potometer for measuring the rate of transpiration is that

  • A. it is made of breakable glass materials
  • B. it measures the rate of water intake
  • C. it measure the rate of water loss throuh the stern only
  • D. the movement of the air buble in the potometer cannot be timed accurately
View Answer & Discuss (11) JAMB 1986
27

Which of the following statement is NOT correct with respect to inhalation in mammals? The

  • A. intercostal muscles contract
  • B. diaphragm is raised
  • C. ribs are raised
  • D. Pressure of the thoracic cavity decreases
View Answer & Discuss (14) JAMB 1986
28
The equation that can be used to summarize the process of anaerobic breakdown of sugar is
  • A. C2H12O6 2C2H5OH + 2CO2
  • B. 6Co2 + 6H2O C6H12O6 + 6O2
  • C. C6H12O6 + 6O2 6CO2 + 6H2O + enegy
  • D. C6H12O6 2C2H5OH + 2CO2 + energy
View Answer & Discuss JAMB 1986
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29
If a person is bitten by a snake on the leg, it is advisable for him to
  • A. keep moving so that the venom will ooze out with bleeding
  • B. Wash the wound with water containing antiseptic
  • C. bandage the wound so that germs do not get in through it
  • D. Keep still and apply a tourniquet above the wound
View Answer & Discuss (8) JAMB 1986
30
Deamination occurs in the
  • A. kidney
  • B. pancreas
  • C. spleen
  • D. liver
View Answer & Discuss (3) JAMB 1986
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