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Syllabus

Respiration in Plants — Syllabus

ICSE · Class 11 · Biology

What Respiration in Plants covers in ICSE Class 11 Biology: 1 topics, for the 2026-27 session. Topics include Respiratory Quotient, Amphibolic.

124 questions42 flashcards7 formulas & key relations5 concepts

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A high-level flowchart illustrating the three main stages of aerobic cellular respiration: Glycolysis, Krebs Cycle, and Electron Transport System, along with their respective locations within the cell
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1 Topics · ICSE Class 11 Biology · 2026-27

Topics in Respiration in Plants

1

7. Respiratory Quotient, Amphibolic Pathway, and Factors Affecting Respiration

  • Respiratory quotient is the molar ratio of carbon dioxide evolved to oxygen absorbed.
  • For carbohydrates, R.Q. is 1.
  • For fats and proteins, R.Q. is less than 1 and usually lies between 0.5 and 0.9.

Key Concepts

Central concept: Cellular respiration in plants as the release of usable energy from food through glycolysis, aerobic respiration, anaerobic respiration, ATP formation, and respiratory quotient

Cellular respirationTypes of cellular respirationGlycolysisAerobic oxidation of pyruvic acidKrebs cycleElectron Transport SystemOxidative phosphorylationFermentation

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Frequently Asked Questions

What are the important topics in Respiration in Plants for ICSE Class 11 Biology?
Key topics in Respiration in Plants include Cellular respiration is an exothermic oxidative, Aerobic respiration requires molecular oxygen, Anaerobic respiration does not require oxygen, Glycolysis is a series of reactions. Study these first, then practise questions on each for Class 11 exams.
How should I revise Respiration in Plants for Class 11 exams?
Learn the core ideas first, then work through the 124 practice questions on Respiration in Plants. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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