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Chapter Summary

Photosynthesis

ICSE · Class 10 · Biology

Summary of Photosynthesis for ICSE Class 10 Biology. Key concepts, important points, and chapter overview.

42 questions35 flashcards5 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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Overview

Photosynthesis is an anabolic process in green plants in which food is prepared from carbon dioxide and water in the presence of sunlight and chlorophyll. Leaves are the main photosynthetic organ. The process also releases oxygen into the atmosphere and helps maintain the balance of carbon dioxide a

Key Concepts

Photosynthesis is the process by

Photosynthesis is the process by which green plants prepare glucose from carbon dioxide and water using sunlight and chlorophyll. The overall equation

Leaves are the main organs

Leaves are the main organs of photosynthesis. Their flat and thin shape gives a large surface for light absorption, and their venation helps in the tr

Chloroplasts are biconvex disc

Chloroplasts are biconvex disc-like organelles surrounded by a double unit membrane. Their inner aqueous matrix is called stroma. The stroma contains

Chlorophyll is the most important photosynthetic

Chlorophyll is the most important photosynthetic pigment. It has a magnesium-containing head and a phytol tail. Chlorophyll a and chlorophyll b are fo

Stomata are openings controlled by two

Stomata are openings controlled by two kidney-shaped guard cells with thick inner walls and chloroplasts. During the day, high glucose in guard cells

Learning Objectives

  • Define photosynthesis and state its overall equation
  • Identify the photosynthetic organ and the adaptations of leaves for photosynthesis
  • Describe the structure of chloroplast and the role of chlorophyll and accessory pigments
  • Explain the opening and closing of stomata
  • Differentiate between light reaction and dark reaction

Frequently Asked Questions

What are the important topics in Photosynthesis for ICSE Class 10 Biology?
Key topics in Photosynthesis include Mechanism of Photosynthesis: Light and Dark Reactions, Mechanism of Photosynthesis: Light and Dark Reactions, Light Reaction vs Dark Reaction — What Happens Where. These are the concepts ICSE Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Photosynthesis — ICSE Class 10 Biology?
Understand the core concepts first, then work through the 42 practice questions available for this chapter. Revise formulas and 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.

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All 16 chapters — ICSE Class 10 Biology Chapter Summary

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