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Respiration in Plants — Chapter Summary

CBSE · Class 11 · Biology

Summary of Respiration in Plants for CBSE Class 11 Biology. Part of the CBSE Class 11 Biology syllabus. Respiration in plants is the cellular process by.

99 questions80 flashcards5 concepts

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Overview

Respiration in plants is the cellular process by which food is oxidised to release energy and store it in ATP. Plants do not use energy from food directly; instead, the released energy is trapped step by step in the form of ATP, which serves as the energy currency of the cell. In green plants, the f

Key Concepts

Cellular respiration is the oxidation

Cellular respiration is the oxidation of organic food inside cells to release energy. This energy is not used directly; it is captured in ATP. The pro

Glycolysis is a chain of ten

Glycolysis is a chain of ten enzyme-controlled reactions in the cytoplasm that converts one molecule of glucose into two molecules of pyruvic acid. AT

Fermentation is the incomplete breakdown

Fermentation is the incomplete breakdown of glucose under anaerobic conditions. In yeast, pyruvic acid is converted to carbon dioxide and ethanol by p

Aerobic respiration is the complete oxidation

Aerobic respiration is the complete oxidation of organic substances in the presence of oxygen. Pyruvate is transported into mitochondria, converted to

Pyruvic acid is oxidatively decarboxylated

Pyruvic acid is oxidatively decarboxylated in the mitochondrial matrix by pyruvic dehydrogenase to form acetyl CoA, carbon dioxide, NADH, and hydrogen

Learning Objectives

  • Understand the meaning of cellular respiration and its relation to energy release
  • Describe glycolysis as the first stage of respiration and identify its key products
  • Explain fermentation and compare alcoholic and lactic acid fermentation
  • Describe aerobic respiration, including pyruvate oxidation, the Krebs' cycle, and the electron transport system
  • Understand how ATP is formed by substrate level phosphorylation and oxidative phosphorylation

Frequently Asked Questions

What are the important topics in Respiration in Plants for CBSE Class 11 Biology?
Key topics in Respiration in Plants include Respiration and Gas Exchange in Plants, Glycolysis, Fate of Pyruvic Acid, Aerobic Respiration and the TCA Cycle. 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 99 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 CBSE Class 11 Biology Chapter Summary

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