Study the following statements and choose the correct answer :I. Cross-pollinating flowers have extrorse anthers.II. Samara is a type of fleshy fruit.III. Marginal placentation has a monocarpellary, unilocular ovary.IV. Opposite phyllotaxy is seen in guava.

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II and IV are correct but I and III are wrong.

II and I are correct but III and IV are wrong.

I, II and IV are correct but III is wrong.

I, III and IV are correct but II is wrong.

answer is D.

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Detailed Solution

Anthers which have their face towards the periphery of the flower is called extrose anthers. This type of anther is found in cross pollinating flowers. Samara are dry indehiscent one seeded winged/feathery fruit. Marginal placentation has monocarpellary and unilocular ovary. Opposite phyllotaxy is seen in guava.

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