Question

Give the functions of:
a) Flower
b)Anther
c)Stomata​

Answer 1

Answer: Flower: A flower is the reproductive part of a plant. its function is to produce fruit and seeds. seeds germinate and produce new plants

Anther: A small two-lobe structure called anther which consists of fine particles called pollen grains. Male reproductive cells or gametes are present inside pollen grains.

Stomata: Its main function is the exchange of gases by opening and closing the pores in the leaves. - It helps in removing water from the leaves. - It takes carbon dioxide and gives out oxygen during the process of photosynthesis.

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Answer 2

Flowers, Anthers and Stomata are specific structures or organelles of higher plant species.

• Flowers are the hallmark of Angiosperms. These are the reproductive structures of a plant arising from meristematic protuberances called flower buds. Flowers are also described as modified vegetative shoots.
• A Flower comprises mainly four whorls from outermost to innermost: Calyx(sepals), Corolla(Petals), Androecium(stamens) and Gynoecium(carpels).
• Androecium and Gynoecium are the essential whorls since these are the male and female reproductive organs respectively.
• The Androecium is made up of stamens and Anther and filament are the two distinct units of the stamens. The Anther is a lobed structure bearing four sporangial sacs in which male gametophyte(pollen grains) become matured. The Filament is a slender stalk-like structure that supports Anther and in between a connective tissue is present.
• Stomata are the organelle through which gaseous exchange occurs in plants. It is a tiny pore surrounded by guard cells that regulate the opening and closing of the stomata.