Apple Browning and Prevention Methods Quiz

What causes apples to turn brown when exposed to air?

• Enzymes reacting with sugar

• Enzymes reacting with water

• Enzymes reacting with salt

• Enzymes reacting with oxygen

What is the role of phenol oxidase in apples?

• It prevents the apple from rotting

• It makes the apple sweeter

• It reacts with oxygen causing browning

• It enhances the apple's flavor

What is the main goal of the experiment discussed in the video?

• To measure the size of apples

• To find the best solution to prevent apple browning

• To determine the best way to slice apples

• To find the tastiest apple

Which of the following was NOT used as a solution in the experiment?

• Vinegar

• Honey

• Milk

• Lemon juice

What was the purpose of using plain water in the experiment?

• To make the apple sweeter

• To serve as a control

• To test its effectiveness in browning prevention

• To enhance the apple's color

How long were the apple slices left in the solutions during the experiment?

• 10 minutes

• 5 minutes

• 20 minutes

• 15 minutes

Which solution was found to be the most effective in preventing apple browning?

• Honey

• Salt solution

• Lemon juice

• Vinegar

Which solution was noted to change the taste of the apples?

• Vinegar and lemon juice

• Honey

• Salt solution

• Baking soda

Which solution was NOT effective in preventing browning according to the experiment?

• Vitamin C

• Vinegar

• Sugar

• Salt solution

What was the final observation about the salt solution?

• It was the least effective

• It was the most effective and easiest to use

• It made the apple taste sour

• It changed the apple's color