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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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2306
Diffusion is most effective in living organisms, when the surface area is
  • A. large and the thickness is also large
  • B. small while the thickness is large
  • C. large while the thickness is small
  • D. the same as its thickness.
View Answer & Discuss (1) WAEC 2002
2307
The function of the red blood cells is to
  • A. engulf invading bacteria
  • B. aid in protein formation
  • C. transport oxygen to the cells
  • D. control blood glucose level
View Answer & Discuss WAEC 2002
2308
Which of the following is used to measure the rate of water uptake in plants?
  • A. Potometer
  • B. Hydrometer
  • C. Hygrometer
  • D. aspirator
View Answer & Discuss (4) WAEC 2002
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2309
Which of the following does not occur during inhalation in mammals?
  • A. Rib cage is raised up
  • B. Diaphragm contracts and becomes dome shaped
  • C. Inter-coastal muscle contracts
  • D. Volume of the thoracic cavity increases.
View Answer & Discuss (3) WAEC 2002
2310
The oxygen released during photosynthesis is obtained
  • A. from the catalytic splitting of carbon-dioxide in plant tissues
  • B. from the breakdown of glucose molecules in cells
  • C. during the photolysis of water using energy trapped in chlorophyll
  • D. by the excretion of excess oxygen in plant tissues
View Answer & Discuss WAEC 2002
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