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561
The vilius in the small intestine is significant because it
  • A. increase the surface area for absorption
  • B. increase the surface area for digestion
  • C. assists in mixing digested food
  • D. assists in filtering undigested food
View Answer & Discuss (5) JAMB 1990
562
If a ring of bark and phloem is removed from a stem, the
  • A. plant dies immediately
  • B. plant dies after two days
  • C. movement of food is not affected
  • D. movement of minerals is hardly affected
View Answer & Discuss (20) JAMB 1990
563
Transpiration can be measured with a
  • A. photometer
  • B. hygrometer
  • C. potometer
  • D. barometer
View Answer & Discuss (1) JAMB 1990
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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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564
Excretory products responsible for the red, purple and blue colours of flowers are called
  • A. alkaloid
  • B. tannins
  • C. anthocyanins
  • D. resins
View Answer & Discuss (8) JAMB 1990
565
Etiolation is caused by the influence of
  • A. minerals salt
  • B. water
  • C. carbondioxide
  • D. light
View Answer & Discuss (13) JAMB 1990
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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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