When a nutrient like a fertilizer is present in large quantities in a pond, plants grow and decay in large numbers, suffocating the pond by not leaving sufficient oxygen in the water for supporting life. This kind of pollution is known as:

smog

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eutrophication

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environmental pollution

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greenhouse effect

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Solution

The correct option is B eutrophication
The excessive richness of nutrients in a lake or other body of water, frequently due to run-off from the land, which causes a dense growth of plant life is called eutrophication.

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Question 31
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(a) A total of ___ nutrients are essential to plants.

(b) ___and ___ are supplied by air to plants.

(d) Soil supply ___nutrients to plants.

(e) ___ nutrients are required in large quantity and called as ___.

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Q. This process in which nutrient enriched water bodies support a dense plant population, which kills animal life by depriving it of oxygen and results in subsequent loss of biodiversity is known as ________.

Question 31
Fill in the blanks

(a) A total of ___ nutrients are essential to plants.

(b) ___and ___ are supplied by air to plants.

(d) Soil supply ___nutrients to plants.

(e) ___ nutrients are required in large quantity and called as ___.

(f) ___ nutrients are needed in small quantity for plants and are called ___.

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When a nutrient like a fertilizer is present in large quantities in a pond, plants grow and decay in large numbers, suffocating the pond by not leaving sufficient oxygen in the water for supporting life. This kind of pollution is known as:

The correct option is B eutrophicationThe excessive richness of nutrients in a lake or other body of water, frequently due to run-off from the land, which causes a dense growth of plant life is called eutrophication.

The correct option is B eutrophication
The excessive richness of nutrients in a lake or other body of water, frequently due to run-off from the land, which causes a dense growth of plant life is called eutrophication.