GS PrelimsEnvironmentBiodiversity2018

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

A

Its extract is widely used in cosmetics.

B

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

C

Its extract is used in the synthesis of pesticides.

D

None of the above

Correct Answer: Option B

Explanation

1. The question asks why the plant Prosopis juliflora (Vilayati Babul/ Kikar) is often mentioned in news. 2. Prosopis juliflora is an invasive species introduced to India for firewood and afforestation in arid areas. 3. Option (A) is incorrect. Its primary use is not in cosmetics. 4. Option (B) is correct. Prosopis juliflora is highly invasive and aggressive. It outcompetes native vegetation for resources (water, nutrients, sunlight), depletes groundwater, and its leaf litter inhibits the growth of other plants. This leads to a significant reduction in local biodiversity (both plant and associated animal life) in the area in which it grows. This negative ecological impact is the primary reason it is often mentioned in the news, particularly concerning efforts to control its spread. 5. Option (C) is incorrect. It is not primarily known for use in the synthesis of pesticides. 6. Option (D) is incorrect as (B) provides the accurate reason.

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