9th Class Science Sample Paper Sample Paper - 3 Term - 1

  • question_answer
      What are the functions of parenchyma, collenchyma and sclerenchyma?

    Answer:

      Parenchyma Main function is storage. Some parenchyma cells contain chlorophyll and help in photosynthesis.                                                                                                                                                                             (1) Collenchyma It is mechanical tissue, provides mechanical support and elasticity. When they contain chlorophyll they help in photosynthesis.                                                                                                                                      (1) Sclerenchyma It is mechanical tissue, gives support to the plant body. Shell of nuts are hard due to presence of this tissue.                                                                                                                                                                                   (1)


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