Practice Exercises - 13.5 | 13. Our Environment | CBSE 10 Science
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13.5 - Exercises

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Practice Questions

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Question 1 Easy

What is an ecosystem?

💡 Hint: Think about how different parts of nature work together.

Question 2 Easy

Give two examples of biodegradable materials.

💡 Hint: Consider what can break down naturally.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following represents a food chain?

Grass → Goat → Human
Grass → Rock → Tree
Sun → Grass → Rain

💡 Hint: Look for the sequence of energy transfer.

Question 2

True or False: Decomposers are considered producers.

True
False

💡 Hint: Recall the roles of different organisms in an ecosystem.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an eco-friendly waste management plan for your school, considering how to separate biodegradable and non-biodegradable waste.

💡 Hint: Think about current practices and how they can be improved.

Challenge 2 Hard

Analyze the effects of removing a top predator from an ecosystem. What would happen to the population of prey species?

💡 Hint: Consider the food chain dynamics.

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