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Questions and Answers
What is the function of the calyx in a flower?
What is the function of the calyx in a flower?
In a complete flower, which of the following statements is true?
In a complete flower, which of the following statements is true?
What is the main function of the stigma in a flower?
What is the main function of the stigma in a flower?
How do imperfect flowers differ from perfect flowers?
How do imperfect flowers differ from perfect flowers?
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Which part of a flower becomes the seed?
Which part of a flower becomes the seed?
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What is the main role of the androecium in a flower?
What is the main role of the androecium in a flower?
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What is the role of the endosperm in seed development?
What is the role of the endosperm in seed development?
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Which part of a seed includes the embryonic root?
Which part of a seed includes the embryonic root?
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From which part of the flower do aggregate fruits form?
From which part of the flower do aggregate fruits form?
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Which type of reproduction results in genetically identical offspring?
Which type of reproduction results in genetically identical offspring?
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What defines an annual plant's life span?
What defines an annual plant's life span?
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Which type of plant can flower and set seeds multiple times over its lifespan?
Which type of plant can flower and set seeds multiple times over its lifespan?
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Which type of fruit forms from a cluster of flowers called an inflorescence?
Which type of fruit forms from a cluster of flowers called an inflorescence?
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What type of fruit like blueberries and cranberries have two innermost fleshy tissues and usually contain many seeds?
What type of fruit like blueberries and cranberries have two innermost fleshy tissues and usually contain many seeds?
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Which type of fruit has a leathery rind and the interior of the fruit is divided into segments?
Which type of fruit has a leathery rind and the interior of the fruit is divided into segments?
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From which part of the plant are accessory fruits formed?
From which part of the plant are accessory fruits formed?
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What type of dry fruit does not split open and is exemplified by strawberries?
What type of dry fruit does not split open and is exemplified by strawberries?
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What is the main function of fruit according to the text?
What is the main function of fruit according to the text?
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In which type of reproduction does fertilization not occur to produce seeds?
In which type of reproduction does fertilization not occur to produce seeds?
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32.24
32.24
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What is the function of the calyx in a flower?
What is the function of the calyx in a flower?
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In flowers, what does the corolla consist of?
In flowers, what does the corolla consist of?
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Which whorl in a flower contains male reproductive structures?
Which whorl in a flower contains male reproductive structures?
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What is the function of the style in a flower?
What is the function of the style in a flower?
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Which type of flowers have both male and female parts present?
Which type of flowers have both male and female parts present?
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Where are the female gametophytes enclosed in angiosperms?
Where are the female gametophytes enclosed in angiosperms?
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What is the primary mode of pollination in gymnosperms?
What is the primary mode of pollination in gymnosperms?
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How are the sperm cells transferred in plant fertilization?
How are the sperm cells transferred in plant fertilization?
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'Insects' serve as pollinators to plants with which type of flowers?
'Insects' serve as pollinators to plants with which type of flowers?
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What is the final product of microgametogenesis in angiosperms?
What is the final product of microgametogenesis in angiosperms?
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What is the function of the tube cell in angiosperms during male gamete production?
What is the function of the tube cell in angiosperms during male gamete production?
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What is the significance of the large megaspore in female gamete production of angiosperms?
What is the significance of the large megaspore in female gamete production of angiosperms?
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In plant fertilization, what is the role of pheromones in the process?
In plant fertilization, what is the role of pheromones in the process?
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Which part of a seed in angiosperms typically serves as a food reserve for the developing embryo?
Which part of a seed in angiosperms typically serves as a food reserve for the developing embryo?
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What is the primary purpose of the hypocotyl in an angiosperm seed?
What is the primary purpose of the hypocotyl in an angiosperm seed?
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Which cells are found at each end of an angiosperm embryo sac?
Which cells are found at each end of an angiosperm embryo sac?
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'Monocots have one cotyledon.' - This statement is:
'Monocots have one cotyledon.' - This statement is:
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'Pollen grain grows a pollen tube guided by pheromones.' - The primary purpose of this process is:
'Pollen grain grows a pollen tube guided by pheromones.' - The primary purpose of this process is:
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'Seed coat protects the embryo.' - What is the main function of this protection?
'Seed coat protects the embryo.' - What is the main function of this protection?
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Study Notes
- Flowers in angiosperms house the gametophyte generation in modified stems with modified leaves.
- The four whorls of a flower are Calyx (outermost with sepals), Corolla (second with petals), Androecium (third with male reproductive structures), and Gynoecium (innermost with female reproductive structures).
- The female part of a flower includes the Carpel, with the ovary containing the ovule, which becomes the fruit and seed. It also includes the Stigma where pollen lands and the Style leading to the ovary.
- The male part of a flower is the Stamen, with the Anther containing pollen grains and the Filament supporting it.
- Perfect flowers have both male and female parts, while imperfect flowers can be Staminate (only male) or Carpellate (only female).
- Male gametes in angiosperms are produced through Microsporogenesis and Microgametogenesis in the anther, leading to the development of sperm cells and pollen tubes.
- Female gametes in angiosperms are produced through Megasporogenesis and Megagametogenesis in the ovule, resulting in the formation of the embryo sac containing egg cells, synergids, and polar nuclei.
- Plant fertilization involves the mechanical transfer of pollen from anther to stigma, followed by pollen tube growth, sperm cell division, and eventual pollination leading to seed development.
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Description
Learn about the different types of fruits and their formation, including simple fruits, aggregate fruits, and multiple fruits. Explore the structure of fruits, including the pericarp composed of exocarp, mesocarp, and endocarp.
