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Biology 2000 WAEC Past Questions

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31
Which of the following groups consists of only micro-nutrients?
  • A. Molybdenum, sulphur and copper
  • B. Boron, Zinc and Calcium
  • C. Manganese, molybdenum and zinc
  • D. Magnesium, phosphorus and manganese.
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32

The first stable product of photosynthesis is

  • A. starch
  • B. glucose
  • C. oxygen
  • D. water
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33
Which of the following statements about nitrogen is not correct? Nitrogen is needed for
  • A. protein synthesis
  • B. activating certain enzymes
  • C. the synthesis of chlorophyll
  • D. healthy vegetative growth of plants
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34
A very poor growth in plants and discolouration of leaves signifies the deficiency of
  • A. calcium
  • B. magnesium
  • C. potassium
  • D. manganese
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35
Vitamin C which is water soluble is
  • A. cabalamine
  • B. pyridoxine
  • C. ascorbic acid
  • D. riboflavine
View Answer & Discuss (2) WAEC 2000
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