Which of the following statements is incorrect-25

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Q.
Which of the following statements is incorrect [2021]

1 Oxidation-reduction reactions produce proton gradient in respiration.

2 During aerobic respiration, role of oxygen is limited to the terminal stage.

3 In ETC (Electron Transport Chain), one molecule of NADH + $H^{+}$ gives rise to 2 ATP molecules and one ${FADH}_{2}$ gives rise to 3 ATP molecules.

4 ATP is synthesised through complex V.

Ans.
(3)

In electron transport system, the number of ATP molecules synthesised depends on the nature of electron donor. Oxidation of one molecule of NADH gives rise to 3 molecules of ATP, while one molecule of ${FADH}_{2}$ produces 2 molecules of ATP.

Solution

Q.
Which of the following statements is incorrect [2021]

1 Oxidation-reduction reactions produce proton gradient in respiration.

2 During aerobic respiration, role of oxygen is limited to the terminal stage.

3 In ETC (Electron Transport Chain), one molecule of NADH + $H^{+}$ gives rise to 2 ATP molecules and one ${FADH}_{2}$ gives rise to 3 ATP molecules.

4 ATP is synthesised through complex V.

Ans.
(3)

In electron transport system, the number of ATP molecules synthesised depends on the nature of electron donor. Oxidation of one molecule of NADH gives rise to 3 molecules of ATP, while one molecule of ${FADH}_{2}$ produces 2 molecules of ATP.

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Solution

Q. Which of the following statements is incorrect [2021]

1 Oxidation-reduction reactions produce proton gradient in respiration.

2 During aerobic respiration, role of oxygen is limited to the terminal stage.

3 In ETC (Electron Transport Chain), one molecule of NADH + H+ gives rise to 2 ATP molecules and one FADH2 gives rise to 3 ATP molecules.

4 ATP is synthesised through complex V.

Ans. (3) In electron transport system, the number of ATP molecules synthesised depends on the nature of electron donor. Oxidation of one molecule of NADH gives rise to 3 molecules of ATP, while one molecule of FADH2 produces 2 molecules of ATP.

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Q.
Which of the following statements is incorrect [2021]

3 In ETC (Electron Transport Chain), one molecule of NADH + $H^{+}$ gives rise to 2 ATP molecules and one ${FADH}_{2}$ gives rise to 3 ATP molecules.

Ans.
(3)

In electron transport system, the number of ATP molecules synthesised depends on the nature of electron donor. Oxidation of one molecule of NADH gives rise to 3 molecules of ATP, while one molecule of ${FADH}_{2}$ produces 2 molecules of ATP.