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Respiration in Plants — Chapter Summary

ICSE · Class 11 · Biology

Summary of Respiration in Plants for ICSE Class 11 Biology. Part of the ICSE Class 11 Biology syllabus. Cellular respiration is the release of energy from.

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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Overview

Cellular respiration is the release of energy from organic substances in a controlled way inside living cells. In plants, it supplies usable energy for growth, transport, movement, secretion, and the synthesis of cell materials. Respiration may be aerobic, using oxygen and occurring in mitochondria,

Key Concepts

Cellular respiration is an exothermic oxidative

Cellular respiration is an exothermic oxidative process in which the chemical energy of organic substances is converted into metabolically usable ener

Aerobic respiration requires molecular oxygen

Aerobic respiration requires molecular oxygen and occurs in mitochondria. Glucose is completely oxidised to carbon dioxide and water, and a large amou

Anaerobic respiration does not require oxygen

Anaerobic respiration does not require oxygen and is catalyzed by enzymes in the cytoplasm. In fermentation, glucose is broken down into ethanol and c

Glycolysis is a series of reactions

Glycolysis is a series of reactions in the cytoplasm in which glucose is converted into pyruvic acid. It does not require oxygen and is common to both

In the mitochondrial matrix

In the mitochondrial matrix, pyruvic acid undergoes oxidative decarboxylation to form acetyl CoA. This reaction needs five essential cofactors and pro

Learning Objectives

  • Understand the meaning and importance of cellular respiration in plants
  • Distinguish between aerobic and anaerobic respiration
  • Describe glycolysis as the first step common to both types of respiration
  • Explain the formation of acetyl CoA from pyruvic acid
  • Outline the Krebs cycle and its main products

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.

More resources for Respiration in Plants

All ICSE Class 11 Biology Chapter Summary

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