Krebs Cycle Quiz

Krebs Cycle Quiz

Assessment

Interactive Video

Biology

9th - 10th Grade

Hard

Created by

Nancy Jackson

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the Krebs Cycle?

To produce glucose

To harvest hydrogen molecules

To generate oxygen

To break down proteins

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What compound is formed when pyruvic acid is converted in the presence of oxygen?

Ethanol

Lactic acid

Acetyl

Glucose

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does coenzyme A play in the Krebs Cycle?

It generates ATP

It acts as a catalyst

It breaks down glucose

It transports acetyl

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the acetyl group when it enters the mitochondria?

It breaks off and forms a two-carbon structure

It combines with glucose

It is converted into ATP

It forms a three-carbon compound

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is formed when the two-carbon compound combines with a four-carbon compound?

A seven-carbon compound

A six-carbon compound

A three-carbon compound

A five-carbon compound

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is released when the six-carbon compound breaks down?

Glucose

Carbon dioxide

Water

Oxygen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is oxygen necessary in the Krebs Cycle?

To generate water

To combine with carbon to form carbon dioxide

To form glucose

To break down proteins

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