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.

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.