The first step in the process of photosynthesis is the

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The mode of nutrition in which digestion is extracellular is

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Which type of the following cells is thin-walled and living at maturity?

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Which of the following disease is rarely spread by a housefly?

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The nephridia in the earthworm form part of the

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A feature which adapts birds to flight is the possession of

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In the tapeworm the suckers on the scolex are used for

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In which of the following does external fertilization takes place?

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Which of the following animals has homodont dentition?

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Which part of the twig produces auxins?

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The part labelled 3 is the

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The spores of ferns are dispersed by

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