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Question 10690
NEET Biology · Hard

Transport in Plants: Bidirectional flow MCQ

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Bidirectional flowHardQuestion 10690

Question

Whole-plant phloem transport can be bidirectional because:

  1. A
    Different sieve tubes can serve different source-sink pathways
    Correct
  2. B
    A single sieve tube carries opposite streams simultaneously
  3. C
    Only roots determine the direction
  4. D
    Xylem reverses into phloem

Correct answer

Different sieve tubes can serve different source-sink pathways

Explanation

Different conducting strands can support different transport directions.

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