Mechanical tissues and xylem are highly reduced in Hydrilla because:
Correct answer: B. Water provides the support and there is no problem for the absorption and conduction of water
- A. Otherwise the weight of these tissues would drown the plant
- B. Water provides the support and there is no problem for the absorption and conduction of water
- C. Of the anaerobic conditions created by submergence
- D. Otherwise translocation of food would have been interrupted
Explanation
Hydrilla is surrounded by water, which provides external support, and water is readily available for absorption and conduction. Consequently, it needs less mechanical tissue and a less developed xylem system.
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