9th Grade Enzymes Quizzes , Questions & Answers

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What do you know about enzymes? Would you be able to pass this quiz? This quiz asks pertinent questions, such as the term used to describe the energy needed to get a reaction started, what is true about enzymes, the substance...

Questions: 17 | Attempts: 411 | Last updated: Mar 20, 2025

Sample Question 1
What is the term used to describe the energy needed to get a reaction started?

Adhesion energy

Activation energy

Cohesion energy

Chemical energy

Sample Question 2
Which of the following statements about enzymes is NOT true?

Enzymes work best at a specified pH

All enzymes have the same shaps as their substrates

Enzymes are proteins

The shape of an enzyme allows it to do its job

Sample Question 3
Which of the following statements is true about catalysts? a. Catalysts slow down the rate of chemical reactions. b. All catalysts are enzymes. c. Catalysts are used up during a chemical reaction. d. Catalysts lower the activation energy of a chemical reaction.

Catalysts slow down the rate of chemical reactions

All catalysts are enzymes

Catalysts are used up during a chemical reaction

Catalysts lower the activation energy of a chemical reaction

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