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Biology 1991 WAEC Past Questions

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36
fewer number of trees is characteristic of the Savanna zones of Nigeria because
  • A. there is too much sunlight
  • B. there is limited amount of rainfall
  • C. they are usually exposed to grazing animals
  • D. they are covered by high mountains
  • E. the farmers always engage in bush-burning
View Answer & Discuss WAEC 1991
37
The number of individuals in a habitat in relation to the unit space available to each organism is referred to as the
  • A. birth rate
  • B. density
  • C. mortality
  • D. frequency
  • E. dispersion
View Answer & Discuss (1) WAEC 1991
38
which of the following will be the effect of waterlogged top soil on the roots of plants?
  • A. the waterlogged soil will stimulate rapid growth of roots
  • B. there will be abundant supply of air for the growth of roots
  • C. The roots will absorb water i rapidly
  • D. There willl be an accumulation of plant nutrients
  • E. the roots will be starved of air
View Answer & Discuss (3) WAEC 1991
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39
Which of the following is the unit of transmission of hereditary traits in living organisms
  • A. Nucleus
  • B. Nucleolus
  • C. Gametes
  • D. Genes
  • E. Chromosomes
View Answer & Discuss (2) WAEC 1991
40
The role of dead organic matter in the soil is to
  • A. make the soil black
  • B. increase the mineral salt content
  • C. provide food for all living organisms
  • D. increase the acidity of soil
  • E. make the soil more porous
View Answer & Discuss WAEC 1991
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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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