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NEET Respiration in Plants PYQs with Solutions

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

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About Respiration in Plants PYQs

Respiration in Plants has 54 previous year questions in the Quantrex Academy NEET UG Biology bank. The 54 questions in this list come from MHT CET Medical (54), spanning 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

NEET Respiration in Plants PYQs with Solutions

About Respiration in Plants PYQs

Questions by year (this list)

Respiration in Plants questions with solutions

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

What is the site of Krebs cycle in mitochondria?

Respiratory quotient is represented as _______

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

Identify the INCORRECT statement regarding glycolysis. There is _________.

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

The movement of protons during ATP synthesis in mitochondria takes place from outer chamber into inner chamber by F_0 part of oxysome present in the

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

R.Q. is ratio of volume of

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

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

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

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

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

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 the

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

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

Select the set of correct statements regarding ETS in aerobic respiration. A. F_1 catalyses the synthesis of ATP from ADP. B. Protons are channeled from outer chamber of

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

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

Glycolysis occurs in _____________

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

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

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

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

Which of the following processes adds CO_2 to the atmosphere?

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

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

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

Which enzyme is responsible for phosphorylation of glucose with ATP?

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

Glycolysis ends in formation of ________.

During ETS, when ubiquinol is oxidized by the cytochrome bc_1 complex, the electrons released are transferred to ____.

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

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

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.

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)

The protons released during the oxidation of NADH+H^+ and FAD H_2 in mitochondria follow the paths given below EXCEPT:

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).

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

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

Which of the following reactions is the decarboxylation reaction?

During respiration, Oxidative phosphorylation occurs in

In the ETS, electrons from FADH_2 enter into which complex?

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

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

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

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

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

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

If the volume of CO_2 evolved during respiration is less than the oxygen consumed, then the respiratory substrate would be ____.

Which one of the following respiratory reactions does NOT yield CO_2 ?

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

Identify the correct sequence of cytochromes involved in ETS.

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Related NEET Biology chapters

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