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Concept Maps

Photosynthesis — Concept Maps

ICSE · Class 10 · Biology

4 concept maps of Photosynthesis for ICSE Class 10 Biology, each also written out as a text outline. Part of the ICSE Class 10 Biology syllabus.

42 questions35 flashcards2 formulas & key relations5 concepts

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A labeled diagram of a dicot stomatal apparatus, showing the bean-shaped guard cells, the stomatal pore, and the surrounding subsidiary cells and epidermal cells.
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4 Concept Maps

Mechanism of Photosynthesis: Light and Dark Reactions

Mechanism of Photosynthesis: Light and Dark Reactions

The map in words

  • Sunlight hits Chlorophyll
    • Electron gets Excited
      • Photolysis of Water
        • H plus ions captured by NADP
          • NADPH2 formed
            • Light Reaction Products
              • ANO: ATP plus NADPH2 plus O2
                • Dark Reaction in Stroma
                  • CO2 plus RuBP 5C
                    • 6C Unstable Compound
                      • 2 x PGA 3C
                        • PGAL via NADPH2 and ATP
                          • Glucose formed
                          • RuBP Regenerated
        • OH minus forms O2 gas
      • Electrons through carriers
        • Photophosphorylation
          • ATP formed

Mechanism of Photosynthesis: Light and Dark Reactions

Mechanism of Photosynthesis: Light and Dark Reactions

The map in words

  • Sunlight hits Chlorophyll
    • Electron Excited in Chlorophyll
      • Photolysis of Water
        • H plus ions + OH minus ions + O2 released
          • H plus taken by NADP
            • NADPH2 formed
              • Dark Reaction in Stroma
                • CO2 + RuBP 5C
                  • Unstable 6C compound
                    • 2 x PGA 3C
                      • PGA reduced by NADPH2 and ATP
                        • PGAL formed
                          • Glucose formed
                            • Glucose to Starch stored
                          • RuBP regenerated
      • Photophosphorylation
        • ADP + Pi becomes ATP

Light Reaction vs Dark Reaction — What Happens Where

Light Reaction vs Dark Reaction — What Happens Where

The map in words

  • Sunlight enters Leaf
    • LIGHT REACTION in Grana
      • Photolysis of Water
        • H plus ions and OH minus ions
          • NADPH2 formed from H plus
            • DARK REACTION in Stroma
              • CO2 fixed with RuBP to form PGA
                • PGA reduced to PGAL
                  • GLUCOSE produced
                    • Glucose polymerized to STARCH
                  • RuBP regenerated
          • O2 released from OH minus
      • Photophosphorylation
        • ATP formed from ADP and Pi
  • CO2 from Air

Photosynthesis is the anabolic process by which green plants prepare food using carbon dioxide, water, sunlight, and chlorophyll, releasing oxygen and forming glucose.

Photosynthesis is the anabolic process by which green plants prepare food using carbon dioxide, water, sunlight, and chlorophyll, releasing oxygen and forming glucose.

The map in words

  • Photosynthesis is the anabolic process by which green plants prepare food using carbon dioxide, water, sunlight, and chlorophyll, releasing oxygen and forming glucose.
    • Photosynthetic organ
    • Leaf adaptations
    • Chloroplast
    • Photosynthetic pigments
    • Stomata and guard cells
    • Cell sap concentration theory
    • Potassium ion theory
    • Light reaction

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Frequently Asked Questions

What are the important topics in Photosynthesis for ICSE Class 10 Biology?
Key topics in Photosynthesis include Basic idea and overall equation, Structure of the leaf and chloroplast, Photosynthetic pigments, Stomata and opening and closing mechanism. Study these first, then practise questions on each for the ICSE Class 10 board exam.
What do the concept maps for Photosynthesis show?
The 4 maps show how the ideas in Photosynthesis connect: Mechanism of Photosynthesis: Light and Dark Reactions; Mechanism of Photosynthesis: Light and Dark Reactions. Each map is also written out as an outline on this page.
How should I revise Photosynthesis for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 42 practice questions on Photosynthesis. 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 Photosynthesis

All ICSE Class 10 Biology Concept Maps

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