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Question
Water hyacinth float on water surface. Explain.
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Solution
Water hyacinth (Eichhornia crassipes) is a free-floating aquatic plant that possesses aerenchyma in its spongy petiole. Aerenchyma consists of a network of which enclose very large air cavities. These air cavities store gases, making the plant light and helping it to float on the surface of the water.
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