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Tissues — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceTissues3 Marks
Question
Identify the phloem component which provides mechanical strength to this tissue.
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Answer

The various components of phloem are:
  1. Sieve tubes.
  2. Companion cells.
  3. Phloem parenchyma.
  4. Phloem fibres.
Functions are:
  1. Sieve tubes: It conduct food materials prepared in the leaves and greener young stems to all parts of plants.
  2. Companion cells: It helps sieve tubes in conduction of food materials.
  3. Pholem parenchyma: It helps to store food.
  4. Pholem fibres: It provide mechanical strength to plants.

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