Why is a plant called Prosopis juliflora often mentioned in news?

Q. Why is a plant called Prosopis juliflora often mentioned in news?

1. Its extract is widely used in cosmetics. 
2. It tends to reduce the biodiversity in the area in which it grows. 
3. Its extract is used in the synthesis of pesticides. 
4. None of the above

Answer: It tends to reduce the biodiversity in the area in which it grows.

Prosopis juliflora, allows no other species to thrive. The Delhi government recently gave its nod to clearing the Central Ridge of the non-native tree in the hope that the area’s original flora — which is called the lungs of the city — as well as fauna can be restored.