Why has foreign vegetation beconae a problem for us? Elaborate with ex

1.	Why has foreign vegetation beconae a problem for us? Elaborate with examples.
Answer» Nearly 40% of plant species found in India have come from outside and are called exotic plants. These plants have been brought from Sino; Tibetan, African and Indo- Malayasian areas. These plants were brought as decorative garden plants in India. These plants grow rapidly as weeds under hot-wet tropical conditions. These rapidly multiply so that it is difficult to eradicate these. Lantana and water hyacinth are two such species. Water Hyacinth is known as “Terror of Bengal”. It has choked up all the watercourses like rivers, streams, tanks, canals, etc.

Why has foreign vegetation beconae a problem for us? Elaborate with examples.

Answer»

Nearly 40% of plant species found in India have come from outside and are called exotic plants. These plants have been brought from Sino; Tibetan, African and Indo- Malayasian areas. These plants were brought as decorative garden plants in India. These plants grow rapidly as weeds under hot-wet tropical conditions. These rapidly multiply so that it is difficult to eradicate these.

Lantana and water hyacinth are two such species. Water Hyacinth is known as “Terror of Bengal”. It has choked up all the watercourses like rivers, streams, tanks, canals, etc.

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