Eutrophication is the increased growth of algae in water that results in reduced sunlight penetration and depletion of dissolved in water.

oxygen

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nitrogen

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argon

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carbon dioxide

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Solution

The correct option is A oxygen
Chemical waste from industries pollutes rivers by introducing inorganic compounds into the river streams. This causes increased growth of algae in water and results in eutrophication due to reduced sunlight penetration and depletion of dissolved oxygen in water.

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Q. Described below are the three steps in the process of how eutrophication leads to total destruction of aquatic life.

i) Algae grow rapidly and eventually die off.
ii) Decrease in dissolved oxygen in water body.
iii) Increase in nutrient concentrations .

Choose the option which has the correct sequence of these steps.

Q. Assertion [A]: Eutrophication shows an increase in productivity of water.
Reason [R]: With increasing eutrophication, the diversity of phytoplankton increases.

What is the biological term for the process by which a water body becomes rich in dissolved nutrients, thereby stimulating the growth of aquatic life and ending in the depletion of dissolved oxygen in the water body?

Q. Which of the following leads to depletion of dissolved oxygen in water bodies resulting in loss of all aquatic life?

Eutrophication is low concentration of dissolved oxygen in water due to

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Eutrophication is the increased growth of algae in water that results in reduced sunlight penetration and depletion of dissolved in water.

The correct option is A oxygenChemical waste from industries pollutes rivers by introducing inorganic compounds into the river streams. This causes increased growth of algae in water and results in eutrophication due to reduced sunlight penetration and depletion of dissolved oxygen in water.

The correct option is A oxygen
Chemical waste from industries pollutes rivers by introducing inorganic compounds into the river streams. This causes increased growth of algae in water and results in eutrophication due to reduced sunlight penetration and depletion of dissolved oxygen in water.