39 questions in Chapter 15 Our Environment - HI MCQ!

The UV radiation from the sun is likely to cause _____________ in human?

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Which of the two in the following sets belong to the same trophic level?

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Which one of the following is an artificial ecosystem?

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In the garden ecosystem, which of the following are producers?

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What will happen if all the deer are killed in the given food chain Grass -> Deer -> Lion?

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In the given food-chain if the amount of energy at the fourth trophic level is 4 kJ, what will be the energy available at the producer level? Grass -> Grasshopper -> Frog -> Snake?

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In the given food-chain if the amount of energy at the fourth trophic level is 4 kJ, what will be the energy available at the producer level? Grass -> Grasshopper -> Frog -> Snake?

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A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in?

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Which one of the following pairs belong to the category of primary consumers?

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In an ecosystem, herbivores represent?

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