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Class 8 · Science · Curiosity

12. How Nature Works in Harmony

Chapter test

Practise 5 questions from this chapter

Timed, with answers, explanations and where your marks went.

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Try question 1

In an ecosystem, organisms that break down dead plants and animals are

Answer and explanation

Answer: B. decomposers

Bacteria and fungi return nutrients to the soil.

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Try question 2

In the food chain grass → deer → tiger, the deer is a

Answer and explanation

Answer: B. primary consumer

The deer eats plants, so it is a herbivore (primary consumer).

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Try question 3

Green plants are called producers because they

Answer and explanation

Answer: A. make their own food using sunlight

They start every food chain.

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All 5 questions of this chapter, with explanations →