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Q1. Priya makes a list of components in a pond habitat. Which of the following items belongs to the biotic components?
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Q2. A snake that comes out at night and a rodent active during the day both live in the same forest habitat. The chapter uses this example to show that
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Q3. In a school garden, Ravi counts 20 marigold plants and 5 rose plants in a 1 m × 1 m area. The 20 marigold plants together represent
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Q4. Bhoomi calls a farmland a 'human-made ecosystem'. Which feature in the chapter supports her label?
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Q5. Which of the following animals is named in the chapter as an example of an omnivore?
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Q6. In a food chain, producers (like green plants) occupy the
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Q7. In the food chain Grass → Grasshopper → Frog → Snake → Eagle, the grasshopper is at the
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Q8. Small umbrella-like structures called mushrooms growing on dead plants during the rainy season belong to which group of organisms?
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Q9. Orchids growing on the branches of trees gain physical support, while the tree branch is unaffected. This relationship is called
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Q10. A tick feeds on a dog's blood and causes skin irritation. This relationship between the tick and the dog is an example of
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Q11. The Sundarbans mangrove forests are located where
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Q12. The chapter states that India faced a food crisis between 1950 and 1965 due to low crop production. The period that followed, when machines, synthetic fertilisers and pesticides increased food production, is known as the
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Q13. Growing the same crop repeatedly on the same land is known as
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Q14. In states like Odisha, Jharkhand, West Bengal, Assam and Chhattisgarh, elephants often enter farms and villages because
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Q15. Wildlife ecologists in many parts of the country have identified and marked corridors that
