Which among the following statements are incorrect :

(A) Transfer of pollen grains (shed from the anther) to the style  of a pistil is termed pollination.

(B) In a normal flower which opens and exposes the anthers and the stigma, complete autogamy is rather rare.

(C) Some plants such as Zostera, Oxalis, and Commelina produce two types of flowers – chasmogamous  and cleistogamous.

(D)Cleistogamous flowers produce assured seed-set even in the absence of pollinators.

(E) Geitonogamy is the only type of pollination which during pollination brings genetically different types of pollen grains to the stigma.

A,C and E only .

(A) Transfer of pollen grains (shed from the anther) to the stigma of a pistil is termed pollination.

(B) In a normal flower which opens and exposes the anthers and the stigma, complete autogamy is rather rare.

(D)Cleistogamous flowers produce assured seed-set even in the absence of pollinators.

(E) Xenogamy  is the only type of pollination which during pollination brings genetically different types of pollen grains to the stigma.