The correct option is
D 1- Thalamus, 2- Sepal, 3-Filament, 4- Anther, 5-Petal, 6-Stigma, 7-Style, 8- Ovary
1- Thalamus is green in colour and has a slightly swollen head. It is the seat on which the parts of a flower are present.
2- Sepals are leaf like green coloured structures. All sepals are collectively called calyx. It protects the flower in the bud stage.
3- Filament is the stalk of the stamen.
4- Anther is a part of stamen. It contains pollen grains.
5- Petals are colourful structures just above the sepals and are collectively called corolla.
6- Stigma is the top receptive part of the pistil in which the pollen lands.
7- Style is the middle elongated part of the pistil. It connects stigma to ovary.
8- Ovary is a bulb like structure at the base of style which contains ovules. It is the site of fertilisation.