42
Question
Tyloses can be found in
Tyloses can be found in
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Solution
The correct option is C secondary xylem
Tyloses are the balloon-like ingrowth of parenchymatous cells in the lumen of xylem vessels and tracheids of the heartwood. Heartwood is a part of the secondary xylem formed during secondary growth. As time passes and new secondary xylem keeps on forming, more of sapwood keeps on changing into the heartwood. The cavities of heartwood vessels and tracheids get blocked by tyloses and these xylary elements are rendered non-functional.
Tyloses can help plants in defending themselves against pathogens. They clog the vessels and check the advancement of the pathogen to other parts of the plant.
Cortical cells, endodermal cells and secondary phloem do not show any presence of tyloses.
Tyloses are the balloon-like ingrowth of parenchymatous cells in the lumen of xylem vessels and tracheids of the heartwood. Heartwood is a part of the secondary xylem formed during secondary growth. As time passes and new secondary xylem keeps on forming, more of sapwood keeps on changing into the heartwood. The cavities of heartwood vessels and tracheids get blocked by tyloses and these xylary elements are rendered non-functional.
Tyloses can help plants in defending themselves against pathogens. They clog the vessels and check the advancement of the pathogen to other parts of the plant.
Cortical cells, endodermal cells and secondary phloem do not show any presence of tyloses.
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