Q. Consider the following statements about green manure crop Sesbania rostrata, which has been developed by BARC (Bhabha Atomic Research Centre) using mutational breeding technology:  
  1. Sesbania rostrata naturally grows in desert regions
  2. It has high rate of nitrogen fixation.
  3. It reduces weed proliferation and weed growth.
Which of the above statements is/are correct?

Answer: Only 2 & 3
Notes: Using mutational breeding, BARC has successfully developed green manure crop – Sesbania rostrata that is proving highly cost-effective for small farmers. First statement is incorrect because Sesbania rostrata occurs naturally in marshes, floodplains, on muddy river banks.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.