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The smallest unit of an ecosystem containing both biotic and abiotic factors is— (a) A green leaf (b) A flowering branch (c)…
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Which one of the following is the best example of convergent evolution and similarity due to it? (a) Wing structure of bat…
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Which of the following is not a characteristic of the waggle dance of honeybees? (a) The waggle dance is performed if the…
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Which biogas is not produced by the decomposition of dung and dead plants? (a) CH₄ (b) NH₃ (c) H₂S (d) H₂
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Write the names of two national parks of West Bengal.
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Write one function each of chromoplast and Golgi apparatus.
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Write the names of two non-nitrogenous waste products of plants.
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Write the names of two structural parts of axon.
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Give an example of an ornithophilous (bird-pollinated) flower.
