Multiple choice

The main function of sieve tubes is to

  1. regulate the metabolic activities

  2. give mechanical strength

  3. store compounds

  4. transport organic compounds

  5. store water
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Phloem complex tissue is composed of sieve tubes, companion cells, phloem fibres and phloem parenchyma. The main function of the seive tube is to transport organic compounds.

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