Companion cells are closely accociated with Or Transport of fo | Filo
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Class 12

Biology

Plant Physiology

Anatomy of Flowering Plants

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Companion cells are closely accociated with
Or
Transport of food material in higher plants takes place through

  1. sieve elements
  2. vessel elements
  3. trichomes
  4. guard cells
Correct Answer: Option(a)
Solution: Companion cells are characterstic elements of phloem tissue associated with the sieve tubes (sieve elements) in the angiosperms. The sieve tubes and companion cells are related ontogenically as they develop from thr same mother cell. The companion cells and sieve tubes maintain close cytoplasmic connections through plasmodesmata.
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