. Select the odd one from the following:
1. Stigma : Style : Ovary
2. Anther : Filament: Pollen
3. Cotyledon : Radicle : Plumule
4. Pollen : Pollen tube : Pellicle
Sol: Pollen : Pollen tube : Pellicle is an odd one out as pollen and pollen tube are reproductive parts of plants and pellicle is a protein covering over some cells.