Respiration in Plants NEET PYQs (1988–2026)

Solved Respiration in Plants PYQs

3 recent questions with answers. The full set of 74 is free to practise.

1. NEET 2026HardKrebs cycle (TCA cycle)
   Q1

   Match List-I with List-II:
   
   List-I (Process):
   
   A. Glycolysis,
   
   B. ETS,
   
   C. Accumulation of protons,
   
   D. Krebs' cycle
   
   List-II (Location):
   
   I. Inner mitochondrial membrane,
   
   II. Mitochondrial matrix,
   
   III. Cytoplasm,
   
   IV. Intermembrane space
   
   Choose the correct answer from the options given below:

   • AA-IV, B-II, C-I, D-III
   • BA-II, B-III, C-IV, D-I
   • CA-III, B-I, C-IV, D-II
   • DA-I, B-IV, C-III, D-II

   Show answer & solution

   Correct answer: (C)

   Glycolysis -- cytoplasm (III); ETS -- inner mitochondrial membrane (I);
   
   Proton accumulation -- intermembrane space (IV); Krebs -- matrix (II).
   
   So A-III, B-I, C-IV, D-II.
2. NEET 2026MediumGlycolysis and its steps
   Q2

   In humans, respiration occurs in the following steps. Arrange these steps in the correct order.
   
   A. Diffusion of O₂ and CO₂ between blood and tissues
   
   B. Diffusion of O₂ and CO₂ across alveolar membrane
   
   C. Pulmonary ventilation by which atmospheric air is drawn in and CO₂ rich alveolar air is released out
   
   D. Cellular respiration
   
   E. Transport of gases by the blood
   
   Choose the correct answer from the options given below:

   • AA, B, C, D, E
   • BE, A, C, D, B
   • CC, B, E, A, D
   • DC, A, B, E, D

   Show answer & solution

   Correct answer: (C)

   Order: Ventilation (C) → alveolar diffusion (B) → transport (E) → tissue diffusion (A) → cellular respiration (D). So C, B, E, A, D.
3. NEET 2026HardElectron transport / oxidative phosphorylation
   Q3

   Match List I with List II:
   
   List I:
   
   A. Molluscs,
   
   B. Reptiles,
   
   C. Adult amphibians,
   
   D. Amoeba
   
   List II:
   
   I. Pulmonary respiration only,
   
   II. Branchial respiration,
   
   III. Cellular respiration,
   
   IV. Pulmonary and cutaneous respiration
   
   Choose the correct answer from the options given below:

   • AA-II, B-I, C-IV, D-III
   • BA-I, B-II, C-IV, D-III
   • CA-II, B-I, C-III, D-IV
   • DA-III, B-II, C-I, D-IV

   Show answer & solution

   Correct answer: (A)

   Molluscs -- branchial (II); Reptiles -- pulmonary only (I); Adult amphibians -- pulmonary and cutaneous (IV); Amoeba -- cellular (III). So A-II, B-I, C-IV, D-III.

Topic-wise question count

Where NEET has asked from Respiration in Plants, most frequent first.

• Electron transport system and oxidative phosphorylation27
• Respiratory quotient and amphibolic pathway15
• Krebs cycle (TCA cycle)14
• Glycolysis and its steps9
• Fermentation (lactic and alcoholic)8
• Electron transport / oxidative phosphorylation1

Year-wise Respiration in Plants questions in NEET

Number of questions from this chapter in each year's paper(s).