Ncert Exercises & Solutions

Phosphate-containing fertilizers cause water pollution. The addition of such compounds in water bodies causes-

a.	Enhanced growth of algae
b.	Decrease in the amount of dissolved oxygen in the water
c.	Deposition of calcium phosphate
d.	Increases fish population

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)