ICSE Class 11 Biology | 4. Plant Physiology by Pavan | Learn Smarter
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4. Plant Physiology

Plant physiology encompasses the essential functions and processes that allow plants to grow and reproduce. Key processes include the transport of water and minerals, photosynthesis for food production, respiration for energy release, and transpiration for water regulation. Various environmental factors impact these physiological activities, influencing plant health and development.

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Sections

  • 4

    Plant Physiology

    This section explores the essential physiological processes in plants including water transport, photosynthesis, respiration, and transpiration.

    Learning Practice

  • 4.1

    Introduction

    Plant physiology explores the essential functions necessary for the growth and reproduction of plants.

    Learning Practice

  • 4.2

    Transport In Plants

    This section explains how plants transport water and minerals, discussing mechanisms such as root pressure and transpiration.

    Learning Practice

  • 4.2.1

    Movement Of Water

    This section addresses the essential processes of water absorption by roots and its subsequent movement through xylem vessels for plant survival.

    Learning Practice

  • 4.2.2

    Mechanism Of Water Transport

    The mechanism of water transport in plants involves root pressure, capillary action, and transpiration pull.

    Learning Practice

  • 4.2.3

    Mineral Transport

    Mineral transport in plants involves the movement of essential minerals dissolved in water from the roots to various plant parts through the xylem.

    Learning Practice

  • 4.3

    Photosynthesis

    Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen.

    Learning Practice

  • 4.3.1

    Definition

    Photosynthesis is the process by which green plants synthesize food using sunlight, carbon dioxide, and water.

    Learning Practice

  • 4.3.2

    Photosynthetic Pigments

    Photosynthetic pigments, primarily chlorophyll, are essential for capturing light energy during photosynthesis in plants.

    Learning Practice

  • 4.3.3

    Process Of Photosynthesis

    Photosynthesis is the green plants' process of converting sunlight, carbon dioxide, and water into glucose and oxygen through light-dependent and light-independent reactions.

    Learning Practice

  • 4.4

    Respiration In Plants

    Plants respire to release energy from glucose, producing carbon dioxide and water in the presence of oxygen.

    Learning Practice

  • 4.5

    Transpiration

    Transpiration is the process of water vapor loss from plants, mainly through stomata, which aids in cooling the plant and maintaining water flow.

    Learning Practice

  • 4.6

    Factors Affecting Photosynthesis And Transpiration

    This section discusses the environmental factors that influence photosynthesis and transpiration in plants.

    Learning Practice

References

b11-4.pdf

Class Notes

Memorization

What we have learnt

  • Plant physiology involves t...
  • Water and minerals are vita...
  • Photosynthesis occurs using...

Final Test

Revision Tests