Practice Decomposition - 12.3 | 12. Ecosystem | CBSE Grade-12 Biology
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Decomposition

12.3 - Decomposition

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define decomposition in your own words.

💡 Hint: Think about what happens to food scraps when they rot.

Question 2 Easy

What are detritivores?

💡 Hint: They help break down waste in the ecosystem.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What process breaks down dead organic matter into simpler substances?

Respiration
Decomposition
Photosynthesis

💡 Hint: Think about how nature recycles organic matter.

Question 2

True or False: Humification leads to the formation of compost.

True
False

💡 Hint: Remember the differences between humus and compost.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a forest ecosystem where the decomposition rate has significantly slowed. Describe the potential impacts on the biodiversity and the soil quality.

💡 Hint: Think about the interconnectedness of species and how they rely on each other.

Challenge 2 Hard

Design an experiment to test how different layers of leaf litter affect decomposition rates in a controlled environment.

💡 Hint: Consider how you would control variables in this experiment.

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Reference links

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