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Morphology of Flowering Plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYMorphology of Flowering Plants1 Mark
Question
What is the function of companion cells in phloem?
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Answer

Companion cells help in maintaining pressure gradient in sieve tubes. Pressure gradient is important for conduction of materials in phloem.

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