state gov UP Police Workshop Staff (Radio Cadre) Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Which of the following conditions associated with Algal Bloom?
1. Increase the amount of oxygen into water bodies.
2. Enrichment in the nutrient content of the water.
3. It can occur only in freshwater environments.
Which of the following sentences given above is/are correct?
1
1 and 2 only
2
2 only
3
1 and 3 only
4
1, 2 and 3