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

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

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.

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 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.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation