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प्रश्न
They are pipe-like, consisting of a group of specialised cells. They transport substances and form two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
विकल्प
Xylem tissue
Vascular tissue
Root hairs
Phloem tissue
उत्तर
Phloem tissue
Explanation:
Phloem tissue consists of a group of specialised cells. Sieve tubes are elongated tubular conducting channels of phloem through which food is transported. The contents of the phloem can move in the upward as well as in the downward direction. Therefore, they form two-way traffic in plants.
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