Chapter 13 of 16
Syllabus
Respiration and Energy Transfer — Syllabus
Maharashtra Board · Class 11 · Biology
What Respiration and Energy Transfer covers in Maharashtra Board Class 11 Biology: 4 topics, for the 2026-27 session.
45 questions20 flashcards5 concepts
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4 Topics · Maharashtra Board Class 11 Biology · 2026-27
Topics in Respiration and Energy Transfer
1
Introduction to Respiration and ATP Formation
- Respiration is a catabolic process that oxidizes complex organic substrates to simple components
- It occurs in two main types: anaerobic (without oxygen) and aerobic (with oxygen)
- ATP is the universal energy currency of cells, formed through phosphorylation
2
Anaerobic Respiration and Glycolysis
- Anaerobic respiration occurs without atmospheric oxygen and is also called fermentation
- Glycolysis is the common first step in both anaerobic and aerobic respiration
- Glycolysis occurs in cytoplasm and breaks down glucose into two pyruvic acid molecules
3
Aerobic Respiration - Detailed Pathway
- Aerobic respiration completely oxidizes glucose using molecular oxygen
- Consists of four main stages: glycolysis, pyruvate oxidation, Krebs cycle, and electron transport chain
- Pyruvate oxidation (connecting link) converts pyruvate to acetyl CoA in mitochondrial matrix
4
Electron Transport Chain and ATP Synthesis
- ETC consists of four protein complexes (I, II, III, IV) plus ATP synthase (Complex V)
- Complex I oxidizes NADH+H+, Complex II oxidizes FADH2
- Electrons flow through ubiquinone (CoQ) and cytochrome c between complexes
Key Concepts
ATP is formed through three mechanismsA 10Cellular respiration without atmospheric oxygenComplete oxidation of glucose using molecularCyclic pathway in mitochondrial matrix where
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What are the important topics in Respiration and Energy Transfer for Maharashtra Board Class 11 Biology?
Key topics in Respiration and Energy Transfer include Introduction to Respiration and ATP Formation, Anaerobic Respiration and Glycolysis, Aerobic Respiration - Detailed Pathway, Electron Transport Chain and ATP Synthesis. Study these first, then practise questions on each for Class 11 exams.
How should I revise Respiration and Energy Transfer for Class 11 exams?
Learn the core ideas first, then work through the 45 practice questions on Respiration and Energy Transfer. Revise definitions regularly and use flashcards for quick recall before the exam.
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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