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Questions and Answers
What is the name for the male reproductive organ in a flower?
What is the name for the male reproductive organ in a flower?
What is the correct term for the transfer of pollen from the stamen to the stigma?
What is the correct term for the transfer of pollen from the stamen to the stigma?
What is the result of fertilization in a flower?
What is the result of fertilization in a flower?
What is the term for the process where the pollen tube penetrates the ovary and the male gamete joins the female gamete?
What is the term for the process where the pollen tube penetrates the ovary and the male gamete joins the female gamete?
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Where are the food reserves stored in a seed obtained from fertilization?
Where are the food reserves stored in a seed obtained from fertilization?
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Study Notes
Anatomy and Reproduction of Flowers
- Flowers contain both male (stamen) and female (pistil) reproductive organs.
- The stamen consists of the anther and filament and produces pollen.
- The pistil is made up of the ovary, style, and stigma, and receives the pollen.
- A flower with both male and female reproductive organs is called hermaphrodite or bisexual.
- Pollination is the transfer of pollen from the stamen to the stigma.
- Auto-pollination occurs when pollination happens within the same flower.
- Cross-pollination occurs when pollination happens between flowers of the same species.
- Pollen grains deposited on the stigma germinate and emit a pollination tube carrying the male gamete.
- The pollination tube penetrates the ovary and the male gamete fertilizes the female gamete of the ovule.
- Fertilization results in the formation of the egg cell, leading to sexual reproduction through the fusion of male and female gametes.
- After fertilization, the ovary increases in size and becomes a fruit containing seeds, while other flower parts fall away.
- The seed obtained from fertilization contains the plant embryo with stored food reserves in the cotyledons, which are used to nourish the embryo. The plant embryo then develops into a young green plant.
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Description
Test your knowledge of plant reproduction with this quiz! Learn about the structure of flowers, the functions of the stamen and pistil, and the process of pollination. See how much you know about the reproductive organs of plants and their role in the life cycle.
