Effect of pH on Enzyme Activity

What is the source of catalase enzyme used in the experiment?

• Hydrogen peroxide

• Yeast solution

• Strong acid

• Alkaline solution

What is the purpose of adding different acids and alkaline solutions?

• To change the color of the solution

• To measure the height of the foam

• To observe the effect of pH on enzyme activity

• To neutralize the yeast solution

What is the height of the foam in the solution with pH 8?

• 10 millimeters

• 40 millimeters

• 45 millimeters

• 50 millimeters

What is the height of the foam in the solution with pH 12?

• 10 millimeters

• 40 millimeters

• 8 millimeters

• 50 millimeters

What is the purpose of adding detergent to each tube?

• To change the pH of the solution

• To measure the height of the foam

• To observe the effect of pH on enzyme activity

• To stabilize the yeast solution

How long is the reaction left for?

• 1 minute

• 3 minutes

• 5 minutes

• 10 minutes

What is the height of the foam in the solution with pH 1?

• 10 millimeters

• 40 millimeters

• 45 millimeters

• 50 millimeters

What is the height of the foam in the solution with pH 7?

• 10 millimeters

• 40 millimeters

• 45 millimeters

• 50 millimeters

What is the height of the foam in the solution with pH 4?

• 10 millimeters

• 40 millimeters

• 45 millimeters

• 50 millimeters

What is the height of the foam in the solution with pH 12?

• 10 millimeters

• 40 millimeters

• 8 millimeters

• 50 millimeters