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Biology 1997 JAMB Past Questions

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16

A food substance was treated with a few drops of Sudan III solution and a red coloration was obtained. The food contained

  • A. protein
  • B. starch
  • C. fat
  • D. mineral salt
View Answer & Discuss (3) JAMB 1997
17
Oozing out of water from the leaves of plants in a humid environment is known as
  • A. transpiration
  • B. osmosis
  • C. pinocytosis
  • D. guttation
View Answer & Discuss (5) JAMB 1997
18
The element that is essential for the coagulation of blood is
  • A. potassium
  • B. calcium
  • C. phosphorus
  • D. iron
View Answer & Discuss (4) JAMB 1997
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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19

Anaerobic respiration differs from aerobic respiration by the production of

  • A. less amount of energy and water
  • B. greater amount of energy and alcohol
  • C. less amount of energy and alcohol
  • D. greater amount of energy and water
View Answer & Discuss (11) JAMB 1997
20

Stomatal pores open when there is

  • A. an increase in the sugar content of guard cells
  • B. a decreases in the osmotic concentration of the guard cell
  • C. a decrease in the sugar content of mesophyll cells
  • D. an increase in the sugar content of mesophyll cells
View Answer & Discuss (10) JAMB 1997
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