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Glycolysis occurs in

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Important Questions on Respiration in Plants

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The number of substrate-level phosphorylation in one turn of citric acid cycle is:
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Glycolysis is the breakdown of glucose to pyruvic acid. How many molecules of pyruvic acid are formed from one molecule of glucose?
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Which statement is wrong for Krebs' cycle?
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During Citric Acid cycle, the various organic acid undergo decarboxylation. Which of the following organic acids of the above cycle have $4 \mathrm{C}, 5 \mathrm{C}$ and $6 \mathrm{C}$ respectively?
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Which of the following is a 6-carbon compound?
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Name the terminal acceptor of electrons in the mitochondrial electron transport chain.
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In the TCA cycle, conversion of Succinyl - CoA to succinic acid is catalysed by
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Which of the following biomolecules is common to respiration mediated breakdown of fats, carbohydrates, and proteins?
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The number of electrons required to reduce one molecule of oxygen to water during mitochondrial oxidation is:
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Choose the correct statements regarding entry of substrates into respiratory pathway.
A) The amino acids will be formed by protease activity on proteins.
B) Carbohydrates will be converted into glucose for entry.
C) Amino acids will enter as pyruvate or acetyl COA.
D) Fatty acids will be entered as PGAL.
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What is 'glycolysis'? Describe various steps involved in glycolysis using schematic representation.
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Arrange the following in the order of their occurrence in the glycolytic pathway.

I. Triose bisphosphate Triose phosphate

II. Fructose-6-phosphate  Fructose 1,6-bisphosphate

III. Phosphoenolpyruvate  Pyruvic acid

IV. 2-Phosphoglycerate Phosphoenolpyruvate

V. Glucose-6-phosphate Fructose-6-phosphate

VI. Triose phosphate 2-Phosphoglycerate

The correct sequence is:

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Pyruvate dehydrogenase activity during aerobic respiration requires:-
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In the oxidative decarboxylation reaction of citric acid cycle, following products are observed when α -ketoglutaric acid is oxidized.
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Identify the reactions where energy is produced:

I. Malic acid+NAD+ Malatedehydrogenase oxaloacetic acid+NADH

II. Citric acid Aconitase cis-aconitic acid+H2O

III. Succinic acid+FAD  Succinic dehydrogenase  Fumaric acid+FADH2

IV.  Succinyl CoA+ADP+Pi ThiokinaseSuccinic Succinic acid+ATP+CoA

V. Oxalosuccinic acid decarboxylaseOxalosuccinic  α-Ketoglutaric acid+CO2

The correct combination is:

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Arrange the given reactions occur in electron transport in correct sequence.

I) Oxygen Removes H2 from ETS Receives electrons form ETS.

II) Ubiquinone Oxidized from ubiquinol Receives reduced equivalents from FADH2.

III Cyt C oxidase Reduced by cytochrome C Electron donor for O2 to release H2O.

IV) Cytochrome C Mobile carrier Transfer e- from cyt b to cyt c oxidase.

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The process of transfer of electrons from glucose to molecular oxygen in bacteria and mitochondria is known as
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The number of net ATP molecules produced from 1 glucose molecule during glycolysis is:
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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by: