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1491
In testing for a reducing sugar, the food substance is usually warmed with
  • A. sulphuric acid
  • B. million's reagent
  • C. sudan III
  • D. Benedicts's solution
View Answer & Discuss WAEC 1991
1492
Which of the following adapts the aorta to the high pressure of the blood from the heart?
  • A. Thin walls
  • B. Fragile membrane
  • C. Thick elastic walls
  • D. stiff walls
  • E. Narrow lumen
View Answer & Discuss WAEC 1991
1493
The part of the alimentary system of a bird where grinding of maize occurs is the
  • A. crop
  • B. stomach
  • C. gizzard
  • D. cloaca
  • E. rectum
View Answer & Discuss WAEC 1991
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1494
Natality is a factor affecting population density because it involves
  • A. increase in population due to immigration
  • B. increase in population due to emigration
  • C. the number of mature females in the population
  • D. the number of females in the population
  • E. the number of all young ones produced in the population
View Answer & Discuss WAEC 1991
1495
The female part of a flower consist of the
  • A. stigma, style and ovary
  • B. petals, sepals and anthers
  • C. stigma, sepals and anthers
  • D. filaments, style and pollen grain
  • E. sepals, stigma and pollen grain
View Answer & Discuss WAEC 1991
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