9th Class Science Natural resources Question Bank 9th CBSE Science Natural resources

  • question_answer
      What is the importance of water for plant life?

    Answer:

                      Water is very essential for the survival and growth of plants. (i) Seeds germinate in the presence of water. (ii) Water helps in the growth of plants. (iii) Plants manufacture their food by the process of photosynthesis in the presence of sunlight, carbon dioxide, water and a green pigment called chlorophyll. (iv) Water dissolves the nutrients present in the soil which is then transported to the various parts of the plant. (v) Water provides a medium for transportation of food and minerals within the plant. (vi) Water also helps in maintenance of the plant structure by providing appropriate pressure to the plant tissues.


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