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Biology 2007 WAEC Past Questions

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NECO offline past questions - All questions, answers & explanations in one app 25712
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
41
Which of these values in kj/m2 likely represents the energy content of the producers in a habitat?
  • A. 5033
  • B. 100
  • C. 12
  • D. 10
View Answer & Discuss WAEC 2007
42
The major pollutant around airport residential areas is
  • A. oil spillage
  • B. soot
  • C. noise
  • D. dust
View Answer & Discuss (1) WAEC 2007
43
The effect of chlorofluorocarbon is
  • A. reduction of oxygen concentration in the atmosphere
  • B. depletion of the ozone layer
  • C. screening of ultra violet rays
  • D. increase in carbon dioxide concentration
View Answer & Discuss WAEC 2007
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO offline past questions - All questions, answers & explanations in one app 25712
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
44

The order of primary succession by plants in a very dry habitat is?

  • A. xerophytes → mesophytes shrub
  • B. mesophytes → xerophytes → shrub
  • C. mesophytes → shrub -> xerophytes
  • D. xerophytes → shrub → mesophytes
View Answer & Discuss (5) WAEC 2007
45

A population which exceeds its carrying capacity and then collapses is represented graphically as a?

  • A. bell shaped curve
  • B. skewed curve
  • C. s-shape curve
  • D. linear curve
View Answer & Discuss (5) WAEC 2007
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709