ICSE Class 9 Biology Chapter 7 Respiration in Plants Revision Notes

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ICSE Class 9 Biology Chapter 7 Revision Notes: Respiration in Plants

ICSE Class 9 Biology Chapter 7 Revision Notes are one of the most important pieces of study material that students can receive as it will aid them to study better and reduce the level of stress that students face during the hectic year.

Swiflearn provides Revision Notes and keynotes chapter wise for the ICSE board exam in an easy-to-understand, free downloadable PDF format so students can use it for their studies and score better in their board exams. The ICSE Class 9 Revision Notes are made for the main subjects of Science and Maths. These core subjects are very critical as they are the stepping stones and plays a crucial role in student’s future. They might be tricky for students. The ICSE Class 9 Biology Revision Notes for each chapter will enable them to have an expert studying pattern with which they can enjoy learning the subject and perform better in the exams.

ICSE Class 9 Biology Chapter 7 Revision Notes are designed  keeping in my mind the exam pattern and syllabus of NCERT 2020-21. Students can download the PDF for free and practice the questions to score well in the coming exams.

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ICSE Class 9 Biology Chapter 7 Revision Notes: Respiration in Plants

Respiration:
The process which helps in releasing of energy from cells of the body is respiration. It is a catabolic process.

Glycolysis:
Glycolysis is the metabolic process that serves as the foundation for both aerobic and anaerobic cellular respiration. In glycolysis, glucose is converted into pyruvate. Glucose is a six- membered ring molecule found in the blood and is usually a result of the breakdown of carbohydrates into sugars.

Aerobic Respiration:
The breakdown of glucose in cells in the presence of oxygen is called aerobic respiration. Here is the word equation for aerobic respiration. Energy is put in brackets because it not a substance:

glucose + oxygen → carbon dioxide + water (+ energy)
Example: C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP (energy currency of cell)

ATP (Adenosine triphosphate) undergoes hydrolysis to give adenosine diphosphate (ADP), inorganic phosphorus, and energy.

One mole of glucose yields 38 molecules of ATP on complete oxidation.

Breakdown of glucose occurs in 2 major events which are controlled by enzymes.

 

Respiration In Plants

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