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Biology 2000 WAEC Past Questions

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41
Which of the following food substances turns bright red when warmed with suddan III solution?
  • A. Starch
  • B. Reducing sugar
  • C. Protein
  • D. Fat
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42
Mammals require a relatively high amount of carbohydrates because
  • A. they maintain the weight of the body
  • B. they are required for growth
  • C. they initiate enzyme production
  • D. they yield energy for activities.
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43
All the available places on earth which support life constitute the
  • A. lithosphere
  • B. atmosphere
  • C. biosphere
  • D. hydrosphere
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44
The abiotic factor which determines the depth to which light penetrates in a pond is
  • A. current
  • B. turbidity
  • C. wind
  • D. salinity
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45
Which of the following organisms is a producer?
  • A. Spirogyra
  • B. Mucor
  • C. Rhizopus
  • D. Yeast
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208