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Question
Sieve tubes are constituent of
Sieve tubes are constituent of
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Solution
The correct option is D Bast
Phloem, also called bast, tissues in plants that conduct foods made in the leaves to all other parts of the plant. Phloem is composed of various specialized cells called sieve tubes, companion cells, phloem fibres, and phloem parenchyma cells. Sieve tubes, which are columns of sieve-tube cells having perforated, sievelike areas in their lateral or end walls, provide the channels in which food substances travel.So, the correct answer is 'Bast.'
Phloem, also called bast, tissues in plants that conduct foods made in the leaves to all other parts of the plant. Phloem is composed of various specialized cells called sieve tubes, companion cells, phloem fibres, and phloem parenchyma cells. Sieve tubes, which are columns of sieve-tube cells having perforated, sievelike areas in their lateral or end walls, provide the channels in which food substances travel.
So, the correct answer is 'Bast.'
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