Class 11 Biology Chapter 12 – Respiration in Plants Study Material PDF Download | English & Tamil Medium | NEET 2027 Preparation | NEET Biology Tamil
Class 11 Biology Chapter 12 – Respiration in Plants Study Material PDF Download | English & Tamil Medium | NEET 2027 Preparation | NEET Biology Tamil
Download Class 11 Biology Chapter 12 Respiration in Plants Notes PDF in English & Tamil Medium for NEET 2027. NCERT notes, PYQs, MCQs & solutions.
Introduction
Welcome to NEET Biology Tamil – your free learning platform for NEET, CBSE, and Tamil Nadu State Board Biology preparation.
In this post students can download Class 11 Biology Chapter 12 – Respiration in Plants study materials in both English Medium and Tamil Medium.
These materials are useful for NEET 2027 aspirants, CBSE students, and Tamil Nadu State Board students.
📚 Chapter Name
English:
Class 11 Biology Chapter 12: Respiration in Plants
Tamil:
வகுப்பு 11 உயிரியல் பாடம் 12 : தாவரங்களில் சுவாசித்தல்
📌 Available Study Materials
✅ Complete Chapter Notes – English Medium
✅ முழுமையான குறிப்புகள் – தமிழ் வழி
✅ NCERT Based NEET Notes
✅ Important Definitions
✅ Important Diagrams
✅ Important Tables
✅ Mind Maps / Short Notes
✅ Previous Year NEET Questions
✅ Chapter Wise Practice MCQs
✅ Answer Key with Detailed Solutions
About Chapter – Respiration in Plants
Respiration in Plants explains how plants break down food molecules to release energy in the form of ATP.
Important concepts covered:
🔹 Cellular respiration
🔹 Glycolysis
🔹 Fermentation
🔹 Aerobic respiration
🔹 Krebs cycle
🔹 Electron transport system
🔹 Oxidative phosphorylation
🔹 Respiratory quotient
Important scientists:
🌱 Hans Krebs – Discovered Krebs cycle
🌱 Gustav Embden, Otto Meyerhof & Jakub Parnas – Glycolysis pathway
🌱 Peter Mitchell – Chemiosmotic theory
Important examples:
✔ Glucose
✔ ATP
✔ Pyruvic acid
✔ Acetyl CoA
✔ NADH
✔ FADH₂
This chapter is important for NEET because questions are commonly asked from pathways, ATP calculation and NCERT diagrams.
🔥 NEET 2027 Importance of This Chapter
Respiration in Plants is an important chapter for NEET Botany.
Previous Year NEET Question Trend:
NEET 2022 – 3 Questions
NEET 2023 – 3 Questions
NEET 2024 – 4 Questions
NEET 2025 – 3 Questions
NEET 2026 – 3 Questions
Students should focus on reactions, enzymes and energy production.
⭐ Important NEET 2027 Topics From This Chapter
⭐ Glycolysis
⭐ EMP Pathway
⭐ Fermentation
⭐ Link Reaction
⭐ Krebs Cycle
⭐ Electron Transport System
⭐ Oxidative Phosphorylation
⭐ ATP Synthase
⭐ Chemiosmotic Theory
⭐ Respiratory Quotient
⭐ Amphibolic Pathway
📥 Download Study Material PDF
📘 Class 11 Biology Chapter 12 Respiration in Plants Notes – English Medium PDF
👇 Download Here
📗 வகுப்பு 11 உயிரியல் பாடம் 12 தாவரங்களில் சுவாசித்தல் குறிப்புகள் – Tamil Medium PDF
👇 Download Here
📝 NEET Previous Year Solved Questions (with Exam Name & Year)
Question 1 (NEET 2026)
Glycolysis occurs in:
(A) Mitochondrial matrix
(B) Chloroplast
(C) Cytoplasm
(D) Nucleus
Question 2 (NEET 2025)
Krebs cycle occurs in:
(A) Cytoplasm
(B) Mitochondrial matrix
(C) Ribosome
(D) Golgi body
Question 3 (NEET 2025)
Final electron acceptor in aerobic respiration is:
(A) Carbon dioxide
(B) Oxygen
(C) Nitrogen
(D) Hydrogen
Question 4 (NEET 2024)
The first product formed in glycolysis from glucose breakdown is:
(A) Pyruvic acid
(B) Acetyl CoA
(C) Citric acid
(D) Oxaloacetic acid
Question 5 (NEET 2024)
Krebs cycle was discovered by:
(A) Calvin
(B) Krebs
(C) Watson
(D) Darwin
Question 6 (NEET 2023)
ATP synthesis through electron transport is called:
(A) Photolysis
(B) Glycolysis
(C) Oxidative phosphorylation
(D) Fermentation
Question 7 (NEET 2023)
The number of carbon atoms in pyruvic acid is:
(A) 2
(B) 3
(C) 4
(D) 6
Question 8 (NEET 2022)
Anaerobic respiration in yeast produces:
(A) Lactic acid only
(B) Alcohol and CO₂
(C) Oxygen
(D) Glucose
Question 9 (NEET 2022)
Acetyl CoA enters:
(A) Calvin cycle
(B) Krebs cycle
(C) Glycolysis
(D) Light reaction
Question 10 (NEET 2022)
Energy currency of the cell is:
(A) DNA
(B) RNA
(C) ATP
(D) Protein
✅ Answer Key + Detailed Solutions
1. Answer: C – Cytoplasm
Explanation: Glycolysis occurs in the cytoplasm of the cell.
2. Answer: B – Mitochondrial matrix
Explanation: Krebs cycle takes place inside the mitochondrial matrix.
3. Answer: B – Oxygen
Explanation: Oxygen acts as the final electron acceptor during aerobic respiration.
4. Answer: A – Pyruvic acid
Explanation: Glucose is converted into pyruvic acid during glycolysis.
5. Answer: B – Krebs
Explanation: Hans Krebs discovered the citric acid cycle.
6. Answer: C – Oxidative phosphorylation
Explanation: ATP formation linked with electron transport chain is called oxidative phosphorylation.
7. Answer: B – 3
Explanation: Pyruvic acid is a three-carbon compound.
8. Answer: B – Alcohol and CO₂
Explanation: Yeast performs alcoholic fermentation producing ethanol and carbon dioxide.
9. Answer: B – Krebs cycle
Explanation: Acetyl CoA combines with oxaloacetate to enter Krebs cycle.
10. Answer: C – ATP
Explanation: ATP stores and transfers energy in cells.
📚 More Free Biology Materials Available
📌 Class 11 Biology Notes
📌 Class 12 Biology Notes
📌 NEET Previous Year Question Papers
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