Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) General Knowledge Ecology and Environment Environmental pollution
Consider the following statements about River Frothing:
1. Froth means a mass of small bubbles on a liquid surface, also referred to as the aggregation of bubbles on an agitated liquid.
2. The chemical factors responsible for foam formation and frothing are ammonia increase from untreated household waste containing detergent and phosphorous increase in effluent released from industries
3. It is caused only due to the adverse impact of man-made activities on the environment.
Which of the above statements is/are correct?
1
1 and 3 only
2
2 and 3 only
3
1 and 2 only
4
1, 2 and 3