MCQ on Reduced Coenzymes

Reduced coenzymes, such as NADH and FADH2, are molecules that carry electrons and hydrogen ions during cellular respiration. They are formed when NAD+ and FAD gain electrons (are reduced) during metabolic reactions like glycolysis and the Krebs cycle, facilitating ATP production in the electron transport chain. This is an MCQ on Reduced Coenzymes and its significance in photosynthesis and respiration.

1. 
Which of the following is a reduced coenzyme?

2. 
What is the primary role of reduced coenzymes in cellular respiration?

3. 
Which of the following processes produces reduced coenzymes?

4. 
During which stage of cellular respiration is the majority of NADH produced?

5. 
Which reduced coenzyme is primarily produced during the Krebs cycle?

6. 
How many ATP molecules are approximately produced per molecule of NADH during oxidative phosphorylation?

7. 
Which reduced coenzyme donates electrons directly to Complex II of the electron transport chain?

8. 
What is the oxidized form of NADH?

9. 
Which of the following is a reduced coenzyme involved in photosynthesis?

10. 
What is the function of FADH2 in cellular respiration?

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mcq on reduced coenzymes

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