Practice Practice Questions - 9 | Chapter 3: Biology and Human Welfare | ICSE 12 Biology
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Practice Questions

9 - Practice Questions

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Practice Questions

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Question 1 Easy

What is Rhizobium and its role in agriculture?

💡 Hint: Think about legumes and their relation to soil nitrogen.

Question 2 Easy

Define immunity in simple terms.

💡 Hint: Consider how your body reacts when you get a cold.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of Rhizobium in agriculture?

Nitrogen fixation
Soil erosion
Water retention

💡 Hint: Think about plants that grow in nitrogen-poor soils.

Question 2

True or False: Active immunity results from receiving antibodies from another source.

True
False

💡 Hint: Consider the difference between active and passive immunity.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze the social implications of drug addiction within a community setting. What roles do education and family support play in recovery?

💡 Hint: Think about how addiction affects relationships and community safety.

Challenge 2 Hard

Evaluate the effectiveness of vaccination in controlling infectious diseases. Use examples of diseases prevented by vaccines.

💡 Hint: Consider the societal benefits of high vaccination rates.

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