Question 1

What is the main purpose of cellular respiration?

Accepted Answer

To convert glucose into ATP

Answer

To break down fatty acids

Answer

To synthesize proteins

Answer

To produce oxygen

Question 2

Which organelle is primarily responsible for the process of cellular respiration?

Accepted Answer

Mitochondria

Answer

Chloroplast

Answer

Nucleus

Answer

Endoplasmic reticulum

Question 3

What are the three main stages of cellular respiration?

Accepted Answer

Glycolysis, Krebs cycle, and electron transport chain

Answer

Photosynthesis, Glycolysis, and Fermentation

Answer

Fermentation, Cellular reproduction, and Glycolysis

Answer

Krebs cycle, Calvin cycle, and Glycolysis

Question 4

During which step of cellular respiration is the majority of ATP produced?

Accepted Answer

Electron transport chain

Answer

Glycolysis

Answer

Fermentation

Answer

Krebs cycle

Question 5

What is the end product of glycolysis?

Accepted Answer

Pyruvate

Answer

Acetyl-CoA

Answer

Lactic acid

Answer

Citric acid

Question 6

What is the role of oxygen in cellular respiration?

Accepted Answer

Final electron acceptor

Answer

Energy source

Answer

Carbon source

Answer

Waste product

Question 7

What is produced as a byproduct of aerobic respiration?

Accepted Answer

Carbon dioxide and water

Answer

Lactic acid

Answer

Oxygen

Answer

Glucose

Question 8

Which process occurs in the absence of oxygen and allows for energy production?

Accepted Answer

Fermentation

Answer

Glycolysis

Answer

Krebs cycle

Answer

Electron transport chain

Question 9

What is the main purpose of the Krebs cycle in cellular respiration?

Accepted Answer

To generate electron carriers for the electron transport chain

Answer

To produce glucose

Answer

To break down fatty acids

Answer

To synthesize ATP directly

Question 10

What molecule is used to transport electrons during cellular respiration?

Accepted Answer

NADH

Answer

ATP

Answer

FAD

Answer

Glucose

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