Practice Extended Learning — Activities and Projects - 2.9 | 2. MICROORGANISMS: FRIEND AND FOE | CBSE 8 Science
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Extended Learning — Activities and Projects

2.9 - Extended Learning — Activities and Projects

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are microorganisms?

💡 Hint: Think of examples like bacteria and fungi.

Question 2 Easy

What does fermentation produce?

💡 Hint: What do we often find in bread?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of microorganism is used to make yogurt?

Bacteria
Virus
Protozoa

💡 Hint: Think of the common cultures used in dairy products.

Question 2

True or False: All microorganisms are harmful.

True
False

💡 Hint: Recall examples of useful microorganisms.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an experiment to observe the fermentation process in yeast. What materials would you need, and what results do you expect?

💡 Hint: Consider what conditions yeast requires to thrive, like warmth and sugar.

Challenge 2 Hard

Evaluate the role of microorganisms in soil health and how they contribute to the ecosystem.

💡 Hint: Focus on the nutrients that plants absorb from the soil.

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Reference links

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