Which of the following weeds has been found useful to check water pollution caused by industrial affluents ?

examrobotsa's picture

Submitted by examrobotsa on

Q: 12 (SSC/NA)

Which of the following weeds has been found useful to check water pollution caused by industrial affluents ?
AnyChart Trial Version

question_subject: 

Science

question_exam: 

SSC

stats: 

0,58,64,15,24,58,25

keywords: 

{'water pollution': [2, 2, 0, 0], 'weeds': [0, 0, 1, 0], 'water hyacinth': [2, 0, 0, 0], 'elephant grass': [1, 0, 0, 1], 'parthenium': [1, 0, 0, 0], 'industrial affluents': [1, 0, 0, 0]}