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Respiration MCQs for NEET — Botany Questions with Answers

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Electron Transport system

Find the wrong one.

A. Release and utilize the energy stored in NADH and FADH2 B. Oxidizes NADH and reduces FADH2 C. Electrons are passed on to oxygen resulting in the formation of water D. The metabolic pathway through which electron passes from one carrier to another

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Explanation

Page number-232

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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Where does ETS occur?

A. Inner Mitochondrial Membrane B. Peri Mitochondrial Space C. Outer Mitochondrial Membrane D. Inter Membrane Space

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Explanation

Page number-232

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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What is the complex which oxidizes NADH during ETs

A. Complex 1 B. NADH dehydrogenase C. NADH oxidase D. Both A and B

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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The electrones which are coming from oxidation of NADH are transferred from complex I to

A. Ubiquinol B. Ubiquinone C. Ubiquinal D. Ubiquitous

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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Ubiquinone gets electrones from

A. NADH only B. FADH2 only C. Both A and B D. From GTP

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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FADH2 is oxidized by

A. Complex I B. Complex II C. Complex III D. Complex IV

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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The reduced ubiquinone is

A. Ubiquinol B. It is oxidized with the transfer of electrones to cytochrome C via cytochrome bc1 complex C. Is a mobile carrier D. Both A and B

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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Complex three is

A. NADH dehydrogenase B. Succinate dehydrogenase C. Cytochrome C oxidase D. Cytochrome bc1 complex

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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Oxidation of two molecules of NADH gives

A. 6 ATPs B. 3 ATPs C. 1 ATP D. 2 ATPs

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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Complex IV is not

A. Cytochrome C oxidase B. Cytochrome a and a3 C. Two copper centre D. One cytochrome C1

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Explanation

Page number-233

14.4.2 Electron Transport system (ETS) and Oxidative Phosphorylation

Respiration In Plants

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