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Enzyme practical activity quiz
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Questions in this quiz (8)
1Which of the following is the optimum pH for catalase in celery?
- A3
- B7
- C10
- D13
2Which of the following substances is the substrate for catalase?
- AWater
- BOxygen
- CHydrogen peroxide
- DHydrochloric acid
3Washing up liquid is necessary in the enzyme experiments in order to:
- AKeep the glassware clean
- BTrap the oxygen produced
- CTo ensure a colour change
- DTo maintain the pH
4How many molecules of hydrogen peroxide can catalase break down per second?
- A40
- B40 thousand
- C40 million
- D40 billion
5What is the function of pH buffer?
- ATo change the pH of a solution
- BTo maintain the pH of a solution at a set value
- CTo cause the enzyme to break down the hydrogen peroxide
- DTo keep the temperature of the solution the same
6The function of a water bath is:
- ATo change the temperature of solutions
- BTo maintain the temperature of a solution at a set value
- CTo maintain the pH of a solution
- DTo cause the enzyme to break down the substrate
7What substance did you use to immobilise yeast cells?
- AAlginate
- BAlgae
- CAgar
- DJelly
8What substance did you use to solidify the beads of immobilised yeast?
- ASodium chloride
- BMagnesium chloride
- CPotassium chloride
- DCalcium chloride
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- Description
- Quiz on Enzyme practical activity quiz, created by John Loughlin on 11/11/2019.
- Author
- John Loughlin
- Language
- English
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- 61
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