What is Eutrophication?

What is eutrophication?

• A process where water bodies become clearer due to reduced nutrients.

• A process that occurs in water bodies when too many nutrients are added.

• A natural phenomenon that increases oxygen levels in water.

• A method for purifying water by removing algae.

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What is the immediate effect of increased nutrient concentration in a water body?

• A decrease in the population of algae.

• An increase in the number of fish.

• A thick green algal bloom.

• Clearer water due to nutrient absorption.

How does an algal bloom affect plants at the bottom of a water body?

• It provides them with more nutrients, helping them grow.

• It increases the amount of sunlight reaching them, boosting photosynthesis.

• It absorbs sunlight, preventing it from reaching the bottom plants, causing them to die.

• It has no significant effect on bottom plants.

What happens to non-bacterial life in a water body when it becomes anoxic?

• It thrives due to the increased food supply.

• It adapts to the new conditions and continues to grow.

• It migrates to other water bodies.

• It dies due to the lack of oxygen.