Question

The carpel in the flowers consists of:
a. Anther, pollen grain and pollen sac
b. Ovary, style and stigma
c. Pedicel, thalamus and flower bud
d. Calyx, corolla and androecium

Answer 1

Hint:
The female reproductive part through which the pollination occurs is known as carpel or gynoecium. It consists of three parts namely stigma, style and ovary. It may be monocarpellary or multicarpellary.

Complete answer:
As you know the reproductive parts of angiosperms are flowers. The flowers conduct the event of fusion of gametes to produce new plants. The gynoecium represents the female reproductive part which has three parts, the stigma, style and ovary.
The stigma serves as a landing platform for the pollen grains. It is velvety soft in texture and is responsible for formation of pollen tubes to take the pollen grains to the ovules present in the ovary.
The style is the elongated, slender tube beneath the stigma. It is the part through which the pollen grains run to the ovule followed by the pollen tube.
In contrast, the bulged part at the base of the carpel is the ovary. It is the place where the ovarian cavity is present. It is lined by the placenta, through which the megasporangia or ovules arise. The number of ovules may vary from one species to another like one (in wheat, mango, and paddy) to many (in papaya, watermelon).

So, the correct answer option B) Ovary, style and stigma.

Note: The process of transfer of pollen grains to stigma of a carpel is called pollination. Pollination is achieved by flowers by evolving an amazing array of adaptations to attract insects and other transport systems.