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Sieve tubes are suited for translocation of food because they possess

A. bordered pits.

B. no ends walls.

C. broader lumen and perforated cross walls.

D. no protoplasm.

Correct Answer : C.


Phloem is a conducting tissue that transports food materials, usually from leaves to other part of the plants. In phloem, sieve elements arranged one above the other in distinct linear rows and have sieve plates (oblique or transverse perforated septa) on their end walls. These are associated with companion cells.

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