Water hyacinth, an aquatic plant from Amazon basin wreaked havoc by overgrowing when introduced in India. What was the reason?

Indian water was highly nutritious for the hyacinths

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The temperature in India supported their rapid growth

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Water in India was not too shallow for growth

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The natural predators of water hyacinths were absent in India

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Solution

The correct option is D The natural predators of water hyacinths were absent in India
Water hyacinth is an aquatic plant, native to the Amazon basin, which was introduced to India for ornamental purposes. In its natural habitat (Amazon basin) there are natural predators such as weevils and leafhoppers. These organisms devour the hyacinths, therefore they keep the growth of the plant under check. However, due to the lack of these predators in India, water hyacinth grows unchecked and causes clogging of water bodies, leading to destruction of aquatic life.

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