state gov UPSSSC Agriculture Technical Assistant Mock Test 2024 People Development & Environment Environmental Issues Pollution
The most important pollutants that cause degradation of water quality in rivers and streams are:
A) Bacteria
B) Nutrients
C) Metals
D) Total dissolved solids
E) Algae
Choose the most appropriate answer from the options given below:
1
A), B) and C)
2
A), B) and D)
3
A), B), D) and E)
4
A), B), C), D) and E)