45
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Vessels and companian cells are characteristic feature of
Vessels and companian cells are characteristic feature of
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Solution
The correct option is B Angiosperm
Companian cells are any of a number of specialized parenchymal cells adjacent to a sieve tube in the phloem of flowering plants (angiosperms), believed to regulate the flow of nutrients through the tube. A vessel element or vessel member is one of the cell types found in xylem, the water conducting tissue of plants. Vessel elements are typically found in flowering plants (angiosperms) but absent from most gymnosperms. So, vessels and companian cells are characteristic feature of angiosperms and not of gymnosperms, Pteridophyta and Bryophyta. Thus, option B is correct.
Companian cells are any of a number of specialized parenchymal cells adjacent to a sieve tube in the phloem of flowering plants (angiosperms), believed to regulate the flow of nutrients through the tube. A vessel element or vessel member is one of the cell types found in xylem, the water conducting tissue of plants.
Vessel elements are typically found in flowering plants (angiosperms) but absent from most gymnosperms. So, vessels and companian cells are characteristic feature of angiosperms and not of gymnosperms, Pteridophyta and Bryophyta. Thus, option B is correct.
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