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2321
Which of the following substances is contained in chloroplasts?
  • A. Starch
  • B. Sugar
  • C. Glycogen
  • D. Dextrin
View Answer & Discuss (7) WAEC 2002
2322
The structures labelled II are
  • A. groundnut seeds
  • B. underground root nuts
  • C. root Tubers
  • D. root nodules
View Answer & Discuss WAEC 2002
2323
The structures labelled II are associated with
  • A. storage of plant nutrients
  • B. organic acids
  • C. nitrogen-fixing bacteria
  • D. putrefying microbes
View Answer & Discuss (2) WAEC 2002
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2324

Using iodine solution, Biuret test, Benedict reagents and ethanol, respectively in testing for reducing
sugars, which of the following trends of colour changes would be observed?

  • A. Blue → black → blue → brown → clear
  • B. Brown → blue → brick red → clear
  • C. Brown → violet → blue → clear
  • D. Brown → blue → violet → milky
View Answer & Discuss (4) WAEC 2002
2325
Ecology simply means the study of
  • A. the properties of a habitat
  • B. interrelationship between organisms and their environment
  • C. several species of plants and animals
  • D. interrelationship between plants and animals.
View Answer & Discuss (8) WAEC 2002
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