Krebs cycle is also known as -

Important Questions on Respiration in Plants

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 43

Kreb's cycle starts with the formation of a six-carbon compound by reaction between

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 44

In Kreb's cycle, OAA accepts acetyl $\mathrm{C}\mathrm{o}\mathrm{A}$ to form

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 45

Which of the following is a 4-carbon compound?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 46

Identify $\mathrm{X},\mathrm{ }\mathrm{Y}$ and $\mathrm{Z}$ in the given diagram representing steps of citric acid cycle and select the correct option.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 47

Consider the first reaction of the TCA cycle.

What is true about compound $\mathrm{A}$?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 48

Identify enzyme A in the given reaction of Kreb's cycle.
$\underset{\left(4\mathrm{C}\right)}{\mathrm{O}\mathrm{A}\mathrm{A}}+\mathrm{A}\mathrm{c}\mathrm{e}\mathrm{t}\mathrm{y}\mathrm{l}-\mathrm{C}\mathrm{o}\mathrm{A}+{\mathrm{H}}_2\mathrm{O}\stackrel{\mathrm{A}}{\to }\underset{\left(6\mathrm{C}\right)}{\mathrm{C}\mathrm{i}\mathrm{t}\mathrm{r}\mathrm{i}\mathrm{c}\mathrm{a}\mathrm{c}\mathrm{i}\mathrm{d}}+\mathrm{C}\mathrm{o}\mathrm{A}$

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 49

Krebs' cycle is also called metabolic sink as it is a common pathway for:

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 14 - Respiration in Plants>MCQS CORNER>Q 50

The intermediate product between $\mathrm{\alpha }-\mathrm{k}\mathrm{e}\mathrm{t}\mathrm{o}\mathrm{g}\mathrm{l}\mathrm{u}\mathrm{t}\mathrm{a}\mathrm{r}\mathrm{i}\mathrm{c}$ acid and succinic acid in $\mathrm{T}\mathrm{C}\mathrm{A}$ cycle is