Teaching Rajasthan Basic Computer Instructor 2021 Mock Test People Development & Environment Environmental Issues Pollution
Effects of water pollution is characterized by:
A. Increase in toxicity
B. Change in water properties
C. Interference with biological activities
D. Decreased in BOD
E. Decrease in metabolic rate
1
A, B and D only
2
A, B and C only
3
B, C and D only
4
A, B, C and D