environment easy MCQ

Which of the following is a common method for monitoring water quality in rivers?

  1. Measuring seismic activity
  2. Testing for parameters like pH, DO, BOD, and coliform bacteria
  3. Counting bird species only
  4. Measuring soil temperature

Answer: Testing for parameters like pH, DO, BOD, and coliform bacteria

Water quality monitoring assesses physical, chemical, and biological parameters to evaluate pollution levels and ecosystem health.

Topic Environmental Monitoring and Technology
Exam Relevance SSC, Railway