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Biology 1999 WAEC Past Questions

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Use the information below on factors required during photosynthesis to answer the two questions


I. CO2 II. Chlorophyll III. Water IV. ATP V NADPH2
31
The factors required for the dark phase of photosynthesis are
  • A. III and IV only
  • B. III and V only
  • C. III, IV and V only
  • D. IV and V only
View Answer & Discuss (2) WAEC 1999
32
In water- culture experiments the culture solutions are protected from sunlight in order to
  • A. control the temperature of the culture solution
  • B. prevent algae from growing in the solution
  • C. prevent the minerals in the solution from being destroyed
  • D. allow the minerals to be used up at room temperature
View Answer & Discuss WAEC 1999
33
The importance of a balanced diet is to
  • A. maintain constant size of an animal
  • B. provide good taste in the food
  • C. increase the effectiveness of digestion
  • D. provide good health for an individual
View Answer & Discuss WAEC 1999
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34
The dentition of a herbivore is distinct from that of other animals due to the presence of
  • A. diastema
  • B. cusps on molar teeth
  • C. canines
  • D. ridges on molar teeth
View Answer & Discuss WAEC 1999
35
Which of the following statements is true?
  • A. Ptyalin acts on proteins to give amino acid
  • B. Lactase acts on maltose to give amino acid
  • C. Pepsin acts on proteins to give peptide
  • D. Peptide acts on starch to give maltose
View Answer & Discuss WAEC 1999
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