04. Krebs Cycle
Respiration in Plants

283723 In Krebs's cycle, reaction representing substrate level phosphorylation is

1 G3p $\rightarrow$ 1, 3 DPGA
2 Succinyl CoA $\rightarrow$ Succinic acid
3 Succinic acid $\rightarrow$ Fumaric acid
4 $\alpha$ - ketoglutarate $\rightarrow$ Succinyl CoA
Respiration in Plants

283728 In $C_{4}$ plants, $C_{3}$ cycle takes place in

1 Mesophyll cells
2 Bulliform cells
3 Companion cells
4 Bundle sheath cells
Respiration in Plants

283730 In the following reaction, identify $X$ and $Y$ respectively :
Pyruvic acid $+\mathrm{CoA}+\mathrm{NAD}^{+} \stackrel{\mathrm{Mg}^{2+}}{\mathrm{X}}$
$\mathbf{Y}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathbf{H}^{+}$

1 Water, Acetyl CoA
2 Acetyl CoA, Pyruvate dehydrogenase
3 Pyruvate dehydrogenase, Acetyl CoA
4 Pyruvate dehydrogenase, Oxalo-acetic acid
Respiration in Plants

283732 A competitive inhibitor of succinic dehydrogenase is :

1 $\alpha$-ketoglutarate
2 malate
3 malonate
4 oxaloacetate
Respiration in Plants

283723 In Krebs's cycle, reaction representing substrate level phosphorylation is

1 G3p $\rightarrow$ 1, 3 DPGA
2 Succinyl CoA $\rightarrow$ Succinic acid
3 Succinic acid $\rightarrow$ Fumaric acid
4 $\alpha$ - ketoglutarate $\rightarrow$ Succinyl CoA
Respiration in Plants

283728 In $C_{4}$ plants, $C_{3}$ cycle takes place in

1 Mesophyll cells
2 Bulliform cells
3 Companion cells
4 Bundle sheath cells
Respiration in Plants

283730 In the following reaction, identify $X$ and $Y$ respectively :
Pyruvic acid $+\mathrm{CoA}+\mathrm{NAD}^{+} \stackrel{\mathrm{Mg}^{2+}}{\mathrm{X}}$
$\mathbf{Y}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathbf{H}^{+}$

1 Water, Acetyl CoA
2 Acetyl CoA, Pyruvate dehydrogenase
3 Pyruvate dehydrogenase, Acetyl CoA
4 Pyruvate dehydrogenase, Oxalo-acetic acid
Respiration in Plants

283732 A competitive inhibitor of succinic dehydrogenase is :

1 $\alpha$-ketoglutarate
2 malate
3 malonate
4 oxaloacetate
Respiration in Plants

283723 In Krebs's cycle, reaction representing substrate level phosphorylation is

1 G3p $\rightarrow$ 1, 3 DPGA
2 Succinyl CoA $\rightarrow$ Succinic acid
3 Succinic acid $\rightarrow$ Fumaric acid
4 $\alpha$ - ketoglutarate $\rightarrow$ Succinyl CoA
Respiration in Plants

283728 In $C_{4}$ plants, $C_{3}$ cycle takes place in

1 Mesophyll cells
2 Bulliform cells
3 Companion cells
4 Bundle sheath cells
Respiration in Plants

283730 In the following reaction, identify $X$ and $Y$ respectively :
Pyruvic acid $+\mathrm{CoA}+\mathrm{NAD}^{+} \stackrel{\mathrm{Mg}^{2+}}{\mathrm{X}}$
$\mathbf{Y}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathbf{H}^{+}$

1 Water, Acetyl CoA
2 Acetyl CoA, Pyruvate dehydrogenase
3 Pyruvate dehydrogenase, Acetyl CoA
4 Pyruvate dehydrogenase, Oxalo-acetic acid
Respiration in Plants

283732 A competitive inhibitor of succinic dehydrogenase is :

1 $\alpha$-ketoglutarate
2 malate
3 malonate
4 oxaloacetate
Respiration in Plants

283723 In Krebs's cycle, reaction representing substrate level phosphorylation is

1 G3p $\rightarrow$ 1, 3 DPGA
2 Succinyl CoA $\rightarrow$ Succinic acid
3 Succinic acid $\rightarrow$ Fumaric acid
4 $\alpha$ - ketoglutarate $\rightarrow$ Succinyl CoA
Respiration in Plants

283728 In $C_{4}$ plants, $C_{3}$ cycle takes place in

1 Mesophyll cells
2 Bulliform cells
3 Companion cells
4 Bundle sheath cells
Respiration in Plants

283730 In the following reaction, identify $X$ and $Y$ respectively :
Pyruvic acid $+\mathrm{CoA}+\mathrm{NAD}^{+} \stackrel{\mathrm{Mg}^{2+}}{\mathrm{X}}$
$\mathbf{Y}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathbf{H}^{+}$

1 Water, Acetyl CoA
2 Acetyl CoA, Pyruvate dehydrogenase
3 Pyruvate dehydrogenase, Acetyl CoA
4 Pyruvate dehydrogenase, Oxalo-acetic acid
Respiration in Plants

283732 A competitive inhibitor of succinic dehydrogenase is :

1 $\alpha$-ketoglutarate
2 malate
3 malonate
4 oxaloacetate