Photosynthesis

State Council of Educational Research and Training, Tamil Nadu (2020) Photosynthesis. [Teaching/Learning Resource]

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Abstract

The plants get energy from sun by converting solar or radiant energy into chemical energy by the process of Photosynthesis, which acts as a driving force for both biotic and abiotic world. Photosynthesis produces 1700 million tonnes of dry matter per year by fixing 75 × 1012 Kg of carbon every year. Photosynthetic organisms use only 0.2 % of incident solar light on earth. Carbohydrates produced by photosynthesis are the basic raw material for respiration and also to produce many organic compounds. It maintains atmospheric oxygen and carbon dioxide level. Photosynthesis consumes atmospheric carbon dioxide which is continuously added by the respiration of organisms. Photosynthesis is the major endergonic reaction. In this chapter, we will study about the energy yielding process
of photosynthesis and various types of energy utilization processes to produce carbohydrates.

Item Type: Teaching/Learning Resource
Program: A publication under Free Textbook Programme of Government of Tamil Nadu
Learning outcomes: The learner will be able to, • Learn the Ultra structure of Chloroplast . • Realise the importance of solar energy and properties of light. • Acquire knowledge of Quantum, Quantum yield and Quantum requirement. • Develop curiosity for photosynthetic experiments like Red drop, Emerson Enhancement effect and Hill’s Reaction. • Analyse the pathway of electron- PS I and PS II. • Recognise the Photo-Oxidative and Photo Chemical Pathway. • Develop skill in Photosynthetic pathways and ability to draw C3, C4, C2 and CAM cycle.
Access: Open
Uncontrolled Keywords: Plant physiology
Subjects: Biology
Curriculam Level: 5. Upper Secondary
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Depositing User: COL Staff
Date Deposited: 11 Apr 2021 04:18
Last Modified: 22 Apr 2021 00:24
URI: https://png.oer4pacific.org/id/eprint/223

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