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Respiration in Plants — NEET UG Biology PYQs

54 previous year questions from Respiration in Plants with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

54 questionsBiologySolutions on every page
1

Which one of the following is the activator for enzyme hexokinase in glycolysis?

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What is the site of Krebs cycle in mitochondria?

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Respiratory quotient is represented as _______

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How many ATP molecules are utilized in the glycolysis of a glucose molecule?

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Identify the INCORRECT statement regarding glycolysis. There is _________.

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Given below are two statements. Statement I - Protons are channeled from inner chamber of mitochondria into outer chamber by F ₀ part of oxysome during ETS. Statement II - Cytochro

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The movement of protons during ATP synthesis in mitochondria takes place from outer chamber into inner chamber by F₀ part of oxysome present in the

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How many ATP molecules are produced thorough ETS, out of 38 molecules produced after complete oxidation of one glucose molecule?

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R.Q. is ratio of volume of

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The process in which food is oxidized and ATP is generated is called ________ .

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Find the CORRECT statements from the following and choose the correct option. (A). Glycolysis (EMP pathway) is a common path for aerobic and anaerobic respiration. (B). Glycolysis

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During lactic acid fermentation, pyruvic acid is reduced to lactic acid using one proton and two electrons from ________________.

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Where does the end product of Glycolysis undergoes aerobic oxidation in eukaryotes?

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In Krebs' cycle, GTP is produced during the conversion of ___.

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Given below are two statements: Statement (I): NADH ₂ ( NADH + H ^+ ) and FADH ₂ that are produced during glycolysis, connecting link reaction and Krebs cycle, are oxidised with th

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Given below are two statements: Statement (I): There is accumulation of lactic acid in skeletal muscles during vigorous exercise. Statement (II): Lactic acid is reconverted into py

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Which one of the following conversion in glycolysis shows formation of water molecules from the substrate?

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Select the set of correct statements regarding ETS in aerobic respiration. A. F₁ catalyses the synthesis of ATP from ADP. B. Protons are channeled from outer chamber of mitochondri

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Oxidation of one NADH + H ^+ leads to production of _________ ATP molecules.

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The ultimate electron acceptor in ETS in aerobic respiration is ___________ and it reacts with protons to form ________.

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Glycolysis occurs in _____________

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Total number of ATP molecules utilised in one glycolytic pathway is _________.

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Identify the step, in which phosphorylation occurs with the help of inorganic phosphate and not ATP.

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In glycolysis, which enzyme requires Zn ²⁺ as cofactor?

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Which of the following coenzyme is NOT directly required in any of the steps of the Kreb's cycle?

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Which of the following processes adds CO ₂ to the atmosphere?

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-Ketoglutarate and Oxaloacetate act as precursors in the synthesis of ______.

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If glucose is incompletely oxidized to ethyl alcohol in the absence of oxygen, the RQ will be ______.

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Which cytochrome acts as a mobile electron carrier, transferring electrons between complex III and IV during ETS?

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Which enzyme is responsible for phosphorylation of glucose with ATP?

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How many glucose molecules are utilized if the cell produces 68 pyruvic acid molecules during glycolysis?

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Glycolysis ends in formation of ________ .

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During ETS, when ubiquinol is oxidized by the cytochrome bc₁ complex, the electrons released are transferred to ____.

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During aerobic respiration, the total number of ATP formed from one glucose molecule through substrate level phosphorylation is ----------------------.

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The formation of ATP by oxidative phosphorylation takes place in ____.

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Given below are two statements: Statement (I): The rate of glycolysis is controlled by ATP consumption, NAD^++H^+ regeneration and enzymes like hexokinase, pyruvate kinase etc. Sta

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Given below are two statements regarding anaerobic respiration in the muscles. Statement (I): In muscles, NADH+H ^+ produced during glycolysis is reoxidised to NAD. Statement (II):

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The protons released during the oxidation of NADH+H ^+ and FAD H₂ in mitochondria follow the paths given below EXCEPT:

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Given below are four respiratory enzymes. Arrange them in the decreasing order of number of carbon atoms present in the substrates they act on. (A). Fumarase (B). Aconitase (C). En

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Which one of the following intermediate metabolites is common for aerobic break down of glucose, aminoacid and fatty acids?

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In Yeast, the pyruvate is decarboxylated to form----

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Which of the following reactions is the decarboxylation reaction?

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During respiration, Oxidative phosphorylation occurs in

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In the ETS, electrons from FADH ₂ enter into which complex?

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Cytochrome C is oxidized by complex IV [cytochrome C oxidase] consisting of----

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Substrate level phosphorylation occurs --------------------.

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During glycolysis, which one of the following intermediates undergoes oxidation as well as phosphorylation?

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Which organic acid is produced at the end of the TCA cycle?

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Given below are two statements related to Kreb's cycle. Statement (I): There are four steps of oxidation in Kreb's cycle, catalyzed by dehydrogenases using NAD ^+ or FAD ^+ as the

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Given below are two statements: Statement (I): In aerobic respiration, hydrogen removed from respiratory material combines with oxygen to form water. Statement (II): Removal of hyd

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If the volume of CO ₂ evolved during respiration is less than the oxygen consumed, then the respiratory substrate would be ____.

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Which one of the following respiratory reactions does NOT yield CO ₂ ?

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Which one of the following reactions, ADP/ATP is not involved in phosphorylation?

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Identify the correct sequence of cytochromes involved in ETS.

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