Question : When an insect sits on the flower of a plant them some particles A present in the top of little stalks in the flower attachto its body hair. When this insect now sitson the flower of another similar plant,then particles A attached to the hair of insect are put on the top of a flask-shaped organ at the centre of flower. The particle A grows a long tube B from the top of flask-shaped organ through which C moves down and reaches the bottom part of flask-shaped organ. Here C fuses with the nucleus of D contained in structure E. the fusion of C and D formsa new cell F wich grows and develops into a seed of the plant.? (a) What are particles A ? What is the process of transferring A from one flower to another flower of similar plant by the insect of known as? (b) What is the name of tube B? (c) What is C which moves down through the tube B? ltbr? (d)Name D and E. (e) What is F?