Practice In Agriculture - 9.2.A.1 | 9. Economic Importance of Bacteria and Fungi | ICSE 9 Biology
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In Agriculture

9.2.A.1 - In Agriculture

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Practice Questions

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Question 1 Easy

What is nitrogen fixation?

💡 Hint: Think about how plants obtain nitrogen.

Question 2 Easy

Name a type of bacteria involved in nitrogen fixation.

💡 Hint: This bacteria lives in the root nodules of legumes.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What role do Rhizobium bacteria play in agriculture?

Decomposing dead matter
Nitrogen fixation
Causing diseases
Spoiling food

💡 Hint: Consider how plants get their nitrogen.

Question 2

True or False: Bacteria have no role in recycling nutrients in ecosystems.

True
False

💡 Hint: Think about what happens to dead plants and animals.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider an agricultural plot with declining soil fertility. Propose how introducing nitrogen-fixing bacteria could aid in restoring health to the soil.

💡 Hint: Think about the role of nitrogen in plant health.

Challenge 2 Hard

Multiple species of bacteria are present in a compost pile. Discuss how this diversity aids in effective decomposition.

💡 Hint: Consider how varied diets (types of organic matter) can benefit from diverse decomposers.

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