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Biology 1994 WAEC Past Questions

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36
Mutation leads to evolution in that it
  • A. gives rise to offspring which have the same characteristics as the parents
  • B. kill all organism where it has occurred
  • C. gives rise to new individuals which differs considerably from their parents
  • D. always confers adaptability of the offspring
  • E. does nit confer adaptability to the offspring
View Answer & Discuss WAEC 1994
37
The process whereby poisonous compounds are made harmless in the liver is called
  • A. deamination
  • B. glycolysis
  • C. dehydration
  • D. detoxification
  • E. denitritication
View Answer & Discuss (2) WAEC 1994
38
The deficiency of calcium in a plant may result in
  • A. stunted growth and poor root development
  • B. poor growth, leaves become orange or brown
  • C. stunted growth, slender stem and yellowing of leaves
  • D. very small leaves and yellowing of leaves
  • E. tall weedy and reddish leaves, `
View Answer & Discuss (1) WAEC 1994
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39
Which of the following is the least safe method of birth control? Using
  • A. spermicide creams
  • B. contraceptive pills
  • C. barriers such as condoms
  • D. intrauterine device
  • E. the withdrawal method
View Answer & Discuss WAEC 1994
40
Which of the following does not imply attempt at conservation?
  • A. Limit on the size of nets used in fishing
  • B. Limit on the size of vessels to be used in fishing
  • C. Prohibition of hunting or fishing at a certain season
  • D. Prudent management of natural resources
  • E. Retraining from the use of the natural resource
View Answer & Discuss (4) WAEC 1994
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