Practice Exercises - 2.8 | 2. MICROORGANISMS: FRIEND AND FOE | CBSE 8 Science
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2.8 - Exercises

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Practice Questions

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Question 1 Easy

What are microorganisms?

💡 Hint: Think about the types of organisms around us.

Question 2 Easy

Name one beneficial effect of yeast.

💡 Hint: Consider food production.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which microorganism is commonly used in making yogurt?

E.coli
Lactobacillus
Penicillium

💡 Hint: Think of bacteria that help with dairy products.

Question 2

True or False: Viruses can reproduce on their own.

True
False

💡 Hint: Consider how viruses behave differently from other microorganisms.

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Challenge Problems

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Challenge 1 Hard

Evaluate the role of microorganisms in the fermentation process. What conditions do they require for optimal growth?

💡 Hint: Think about the environment needed for fermenting food.

Challenge 2 Hard

Analyze the impact of antibiotics on both harmful and beneficial microorganisms.

💡 Hint: Consider the balance of good and bad bacteria in antibiotics' function.

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