9th Grade Bio Enzymes Quizzes, Questions & Answers

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Unit 1 Chapter 3 (1st Secondary) Biology

This quiz assesses understanding of enzyme activity, focusing on factors like temperature and pH, and their effects on enzymes such as pepsin and trypsin.

Questions: 90 | Attempts: 767 | Last updated: Mar 9, 2023

Sample Question 1
The following graph shows the effect of altering a factor on the rate of an enzyme controlled reaction. What is shown on the x axis?

PH

Temperature

Substrate concentration

Enzyme concentration

Sample Question 2
The following graph shows the effect of a factor on the activity of two enzymes.What are the enzymes (X) and (Y)?

X is amylase, Y is trypsin

X is catalase, Y is pepsin

X is amylase, Y is trypsin

X is pepsin, Y is trypsin

Sample Question 3
The following graph shows the effect of a factor on the activity of two enzymes. What should be shown on the x axis?

Temperature

PH

Substrate concentration

Enzyme concentration