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Phosphorus Cycle and Water Pollution Quiz

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Phosphorus Cycle and Water Pollution Quiz

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Questions and Answers

Which process ensures nutrient cycling for optimum plant growth in agriculture?

Ploughing (correct)

Photosynthesis

Nitrification

Denitrification

What is the role of mycorrhizae in plant uptake of nutrients?

Fix atmospheric nitrogen into soil

Enhance phosphorus absorption (correct)

Convert ammonia to nitrites

Increase water content in soil

How is phosphorus introduced into soil and water systems?

Via weathering of rocks (correct)

From atmospheric gases

By denitrification

Through nitrifying bacteria

What is the impact of phosphorus from detergents on river water?

Algal blooms Signup and view all the answers

What measures can be taken to reduce phosphate levels in river water?

Implement better sewage treatment Signup and view all the answers

Which of the following processes involves converting ammonia into nitrites and nitrates?

Nitrification Signup and view all the answers

Why is nitrogen not present at high levels in soil despite being abundant in atmospheric gases?

It's mostly locked up in the atmosphere Signup and view all the answers

Which factor affects the communities of nitrifying bacteria in soil samples?

Soil pH Signup and view all the answers

What is the main reason behind a farm's limited crop yields?

Lack of available soil nutrients Signup and view all the answers

Why is it important to ensure nitrogen and its compounds are introduced into soil?

To enhance agricultural production Signup and view all the answers