Natural aging of a lake by biological enrichment of its water called :-

Natural ageing of lake by biological enrichment of its water is called

Natural ageing of a lake by biological enrichment of its water is known as

Natural ageing of a lake by biological enrichment of its water is known as

________is the natural agine of a lake by biological enrichment of its water.

Fill in the blanks Eutrophication is the natural____of a lake by biological enrichment of water.

The term which is used to describe the natural ageing of lake by nutrient enrichment of its water.

Which of the following statements regarding eutrophication are correct ? (i) Eutrophication is the natural ageing of a lake by nutrient enrichment of its water. (ii) Pollutants from human activities like effluents from the industries and homes can radically accelerate the aging process of a lake. This phenomenon is called as cultural or accelerated eutrophication. (iii) The plant nutrients responsible for eutrophication are nitrates and phosphates. (iv) These phosphates and nitrates accelerate the growth of algae, which utilise oxygen and may deoxygenate the water to kill the fish and other aquatic animals.

Which of the following statements regarding eutrophication are correct ? (i) Eutrophication is the natural ageing of a lake by nutrient enrichment of its water. (ii) Pollutants from human activities like effluents from the industries and homes can radically accelerate the aging process of a lake. This phenomenon is called as cultural or accelerated eutrophication. (iii) The plant nutrients responsible for eutrophication are nitrates and phosphates. (iv) These phosphates and nitrates accelerate the growth of algae, which utilise oxygen and may deoxygenate the water to kill the fish and other aquatic animals.

How many statements are correct ? a. Biomagnification is the natural ageing of a lake by nutrient enrichment of its water b. After CFC, methane is a major cause of greenhouse effect c. Ozone is a secondary pollutant in troposphere d. The thickness of the ozone is measured in Dobson unit