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Biology 2007 WAEC Past Questions

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31

Enzymes can be inactivated by certain chemical substances in the body called

  • A. catalysts
  • B. inhibitors
  • C. substrates
  • D. activators
View Answer & Discuss (1) WAEC 2007
32
Use the following equations to answer the question below
I - Boiled saliva + starch → X
II - Fresh saliva + starch → Y

What substances do X and Y represent?

  • A. X = Maltose and Y = Sugar
  • B. X = Starch and Y = Maltose
  • C. X = Sugar and Y = Starch
  • D. X = Maltose and Y = Starch
View Answer & Discuss (6) WAEC 2007
33
Which of the following enzymes is not one of the main classes of enzymes?
  • A. Sucrase
  • B. Amylases
  • C. Proteases
  • D. Lipases
View Answer & Discuss (4) WAEC 2007
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34
Which of the following enzymes does not belong to proteases?
  • A. Sucrase
  • B. Pepsin
  • C. Trypsin
  • D. Erepsin
View Answer & Discuss WAEC 2007
35
Which of the following protozoans feeds parasitically
  • A. Paramecium
  • B. Chlamydomonas
  • C. Plasmodium
  • D. Euglena
View Answer & Discuss WAEC 2007
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts