Which exotic species is known as ‘Terror of Bengal? Why is it called so?OrWhy does exotic flora become a problem for us? Name two such species.

Which exotic species is known as ‘Terror of Bengal? Why is it called

1.	Which exotic species is known as ‘Terror of Bengal? Why is it called so?OrWhy does exotic flora become a problem for us? Name two such species.
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 rapidly multiply so that it is difficult to eradicate these. These reduce the useful land cover. These prevent the growth of economic plants. These spread diseases and are a hazard to public health. Lantana and water hyacinth are two such species. Water hyacinth is known as “Terror of Bengal”. It has choked up all the water courses like rivers, streams, tanks, canals, etc.