When an insect sits on the flower of a plant then some particles A present in the top of little stalks in the flower attach to its body hair. When this insect now sits on 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 forms a new cell F which grows and develops into a seed of the plant.1. What are particles A ?(i) pollen grains(ii) carpel(iii) ovary(iv) anther2. What is the name of tube B ?(i) fallopian tube(ii) Pollen tube3. What is C which moves down through the tube B ?(i) female gamete(ii) male gamete4. Name D.(i) female gamete(ii) male gamete5. Name E.(i) carpel(ii) ovary(iii) anther(iv) ovule