B.

epigynous

In an epigynous flower, the innermost whorl, ie, gynoecium is covered by the elongated margins of thalamus thus, their position is inferior in regard to other floral whorls, which arise above the ovary and thus superior, eg, sunflower, Cucurbita, coriander.

A.

polysepalous

In floral formula, (K) denotes polysepalous condition. When the sepals of a flower are free from each other the condition is called polysepalous and if they are fused with each other, the condition is known as gamosepalous.

Polypetalous is a flower in which the corolla consists of seperate petals.

Gametopetalous is a flower in which the petals are fused to form a corolla tube.

A.

Production of ATP from ADP

Photophosphorylation is the synthesis of ATP from ADP during light reaction of photosynthesis. It was discovered by Amon et al, in 1954.

C.

Microfibrils

The cell wall contains a porous matrix of cellulose consisting of vary fine coalesced fibrils the microfibrils and an interfibrillar system of microcapillaries containing various non-cellulosic wall constituents.

C.

Colchicine

Colchicine is an alkaloid obtained from the plant. Colchicum autumnale and is found to prevent the formation and organization of spindle fibres. It induces polyploidy in many plant and animal cells.