The major role played by accessory pigments during photosynthesis is the phloem to

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Squirrels easily kill some trees because

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The brightly coloured petals in some plants is an adaptive colouration for

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Which of the labelled parts can be cut to-ensure permanent sterility?

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Which of the following structures in a flower develops into the seed?

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When fertilization occurs that leads to formation of a zygote, which of the following processes takes place?

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The hair on the human skin will stand erect when the person is

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Which of the following parts of the eye contains light sensitive cells?

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The function of the convex lens in the correction of eye defects is to

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A student dissecting am animal specimen discovered that it had two auricle and on ventricle. The animal is likely to a/an

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Impulses are conducted towards the nerve cell through the

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The following are all examples of a simple reflex action, except

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