Biology
Xylem tissue forms a tubular passage to transport water and mineral salts from the roots to the aerial parts of a plant. It consists of different types of cells.
P. Sieve tubes and companion cells
Q. Wood parenchyma and wood fibres
R. Tracheids and vessels
Which of the following are xylem components?
- Only P
- Only P and R
- Only Q and R
- All P, Q and R
Transport in Plants
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Answer
Only Q and R
Reason — The Xylem tissue consists of tracheids, vessels, wood parenchyma and wood fibres. Sieve tubes and companion cells are part of phloem, the tissue responsible for transporting prepared food, not water.
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