Fermentation Trivia

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Multiple choice questions

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Azrina Azri

Malasia

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Fermentation Trivia


Froggy Jumps Fermentation TriviaVersión en línea Multiple choice questions por Azrina Azri 1 Which organism is used in the fermentation experiment? a Yeast b Amoeba c Algae 2 What is the main purpose of the yeast fermentation experiment? a To study anaerobic respiration in yeast b To observe photosynthesis c To observe mitosis 3 Which sugar is commonly used as the substrate during fermentation? a Glucose b Protein c Starch 4 Fermentation occurs when oxygen is ______. a limited or absent b continuously supplied c replaced by carbon dioxide 5 Which gas is released during yeast fermentation? a Carbon dioxide b Hydrogen c Oxygen 6 Which product gives the characteristic alcoholic smell during fermentation? a Ethanol b Acetic acid c Lactic acid 7 Which equation correctly represents yeast fermentation? a Glucose → Ethanol + Carbon dioxide + Energy b Glucose + Oxygen → Carbon dioxide + Water + Energy c Glucose → Lactic acid + Energy 8 Which observation indicates that fermentation has occurred? a Formation of carbon dioxide bubbles b Formation of oxygen bubbles c Sugar disappears immediately 9 What is the function of the sugar solution? a Source of energy for yeast b Catalyst c Catalyst 10 Why is Flask B used as the control? a To compare results without living yeast b To increase the fermentation rate c To produce more ethanol 11 Why is boiled yeast unsuitable for fermentation? a The yeast cells are dead b It produces oxygen. c It contains too much sugar. 12 Why are cotton plugs or fermentation locks used? a To prevent contamination while allowing gas to escape b To stop carbon dioxide production c To absorb ethanol 13 What is the optimum temperature for yeast fermentation in this experiment? a 70–80°C b 30–35°C c 0–5°C 14 Which flask will produce the greatest amount of carbon dioxide? a Flask A containing living yeast b Flask B containing dead yeast c Neither flask 15 Which statement best explains Pasteur's conclusion? a Only living yeast cells can carry out fermentation. b Fermentation is purely a chemical reaction. c Sugar changes into oxygen. 16 During fermentation, yeast carries out which type of respiration? a Anaerobic respiration b Photosynthesis c Aerobic respiration 17 A student observes no bubbles in Flask A after two days. Which is the most likely reason? a The yeast was inactive or dead. b The sugar concentration was too low to observe. c Too much carbon dioxide was produced. 18 Which variable should be kept constant to ensure a fair test? a Volume of sugar solution b Number of bubbles produced c Amount of ethanol formed 19 Which of the following is the manipulated variable in this experiment? a Presence of living yeast b Volume of sugar solution c Temperature 20 A student concludes that fermentation occurred because bubbles were produced in Flask A. Which statement best supports this conclusion? a Carbon dioxide is released during anaerobic respiration by living yeast. b Oxygen is produced during fermentation. c Sugar is converted into starch

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Fermentation Trivia

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Fermentation TriviaVersión en línea

por Azrina Azri

Which organism is used in the fermentation experiment?

What is the main purpose of the yeast fermentation experiment?

Which sugar is commonly used as the substrate during fermentation?

Fermentation occurs when oxygen is ______.

Which gas is released during yeast fermentation?

Which product gives the characteristic alcoholic smell during fermentation?

Which equation correctly represents yeast fermentation?

Which observation indicates that fermentation has occurred?

What is the function of the sugar solution?

Why is Flask B used as the control?

Why is boiled yeast unsuitable for fermentation?

Why are cotton plugs or fermentation locks used?

What is the optimum temperature for yeast fermentation in this experiment?

Which flask will produce the greatest amount of carbon dioxide?

Which statement best explains Pasteur's conclusion?

During fermentation, yeast carries out which type of respiration?

A student observes no bubbles in Flask A after two days. Which is the most likely reason?

Which variable should be kept constant to ensure a fair test?

Which of the following is the manipulated variable in this experiment?

A student concludes that fermentation occurred because bubbles were produced in Flask A. Which statement best supports this conclusion?