Enzyme Amylase Practical Quiz

What is the enzyme used in the practical?

• Cellulase

• Lipase

• Amylase

• Protease

At what pH was the practical initially conducted?

• 5

• 8

• 6.4

• 6.47

What color change indicates the presence of starch in the iodine solution?

• Blue

• Red

• Yellow

• Black

What temperature was the solutions adjusted to before mixing them together?

• 40 degrees

• 30 degrees

• 50 degrees

• 20 degrees

How many seconds did it take for the starch to be digested at pH 5?

• 150 seconds

• 120 seconds

• 90 seconds

• 60 seconds

What was the volume of starch solution used in the practical?

• 4 cm³

• 1 cm³

• 3 cm³

• 2 cm³

What was the volume of buffer solution used in the practical?

• 2 cm³

• 4 cm³

• 3 cm³

• 1 cm³

What was the volume of enzyme used in the practical?

• 0.5 cm³

• 1 cm³

• 1.5 cm³

• 2 cm³

What was the optimum pH for the enzyme amylase?

• 6.4

• 5

• 8

• 6.47

What was used to transfer the solutions into the test tube?

• Syringe

• Pipette

• Beaker

• Funnel