Correct option (a) achenes
Explanation:
Syconus is a composite fruit that develops from hypanthodium inflorescence, e.g. Ficus carica, Ficus benghalensis. The flask-shaped receptacle encloses female flowers that give rise to achene-like fruitlets. This fruit possesses a small pore protected by scaly leaves. The receptacle that becomes fleshy is edible.
Samara rs a single seeded, dry indehiscent fruit. Its pericarp becomes membranous and flat-like wings that help in dispersal, e.g. Ulmus, Hotoptelia indica.
A berry is a pulpy-indehiscent, few to multiseeded fruit derived from multicarpellary syncarpous gynoecium. The fleshy pericarp of berry consists of three parts i.e. epicarp that make the rind of fruit, mesocarp and endocarp.
Schizocarpic fruits are simple, dry, multiseeded fruits, which breakup into single seeded parts. The single seeded parts, which further do not dehisce are called merlcarps.
