Class 11 Biology Plant Growth Development Conditions for growth

Conditions for growth

  • Water, oxygen and nutrients are very essential elements for growth.
  • Water helps the plant cells to grow in size by cell enlargement and provides the medium for enzymatic activities needed for growth.
  • Oxygen helps in releasing metabolic energy essential for growth activities.
  • Macro and micro essential elements are required by plants for the synthesis of protoplasm and act as source of energy.
  • In addition, an optimum temperature range and environmental signals affect certain phases/stages of growth.


Fig. Essential elements of plant growth

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