Practice Questions - 13.3 | 13. Our Environment | CBSE 10 Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define trophic levels.

💡 Hint: Think about energy flow from producers to consumers.

Question 2

Easy

What role do decomposers play in an ecosystem?

💡 Hint: Consider what happens to dead plants and animals.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What are trophic levels?

  • Levels of economic income
  • Positions of organisms in a food chain
  • Tree growth stages

💡 Hint: Remember what defines a food chain.

Question 2

True or False: Decomposers are not essential for ecosystems.

  • True
  • False

💡 Hint: Consider what happens to dead organisms without decomposers.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a local pond ecosystem. Describe what would happen if a chemical spill killed all the fish (secondary consumers) and plants (producers).

💡 Hint: Think about the roles of each organism in maintaining ecological balance.

Question 2

You're tasked with creating a new ecosystem model using plastic and clay. How would you represent the impact of decomposers in your model?

💡 Hint: Consider adding components that show changes over time.

Challenge and get performance evaluation