Where is the ovary located in a flowering plant?
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A
Anther
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B
Pistil
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C
Stamen
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D
Calyx
The ovary is located in the pistil of a flowering plant.
The pistil is the female reproductive organ of a flower and is specially designed to receive pollen, allow fertilization, and support seed development. It is made up of three main parts: the stigma, the style, and the ovary. The ovary is the swollen basal portion of the pistil and contains the ovules (egg cells). After fertilization occurs, the ovary develops into the fruit, and the ovules develop into seeds. Because of this central role in reproduction and seed formation, the ovary must be located within the pistil.
A) Anther
The anther is part of the male reproductive structure called the stamen. Its function is to produce and release pollen grains, which contain the male gametes. Since the anther belongs to the male reproductive system and is involved in pollen production rather than seed development, it does not contain the ovary. Therefore, this option is incorrect.
B) Pistil
The pistil is the female reproductive organ of the flower and consists of the stigma (which receives pollen), the style (which allows the pollen tube to grow), and the ovary (which contains the ovules). The ovary is located at the base of the pistil and is essential for fertilization and fruit formation.
C) Stamen
The stamen is the male reproductive organ of the flower and is made up of the anther and filament. Its purpose is to produce pollen, not to house ovules or support seed development. Since the ovary is a female structure, it is not found in the stamen.
D) Calyx
The calyx is the outermost part of the flower and is composed of sepals. Its main function is to protect the flower bud before it opens. It does not participate directly in reproduction and does not contain the ovary.
Conclusion
In flowering plants, the ovary is part of the female reproductive system and is located within the pistil, where it protects the ovules and later develops into fruit after fertilization. Therefore, the correct answer is B) Pistil.

Topic Flashcards
Click to FlipWhat is the primary function of the ovary in a flowering plant?
To contain and protect the ovules (egg cells). After fertilization, the ovary develops into the fruit that encloses the seeds.
What are the three main parts of the pistil, the female reproductive structure of a flower?
The stigma (receives pollen), the style (the stalk), and the ovary (contains ovules).
True or False: The structure that eventually becomes a fruit, like an apple or a tomato, originates from a different part of the flower than the ovary.
False. The fruit develops directly from the ovary of the flower after fertilization.
How does the location of the ovary in the flower relate to the process of pollination and fertilization?
The ovary is located at the base of the pistil. After pollen lands on the stigma, a pollen tube grows down the style to deliver sperm cells to the ovules inside the ovary.
In a flower, which reproductive structure is homologous to the male stamen?
The pistil. The stamen (male) produces pollen, and the pistil (female) contains the ovary and receives pollen.