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Questions and Answers
What part of the flower produces and holds pollen?
What part of the flower produces and holds pollen?
A perfect flower has either the pistil or the stamen.
A perfect flower has either the pistil or the stamen.
False
What is the process called when a seed grows into a new plant?
What is the process called when a seed grows into a new plant?
Germination
The sticky surface at the top of the pistil is called the ______.
The sticky surface at the top of the pistil is called the ______.
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Match the plant types to their descriptions:
Match the plant types to their descriptions:
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Which type of pollination occurs when pollen is transferred from one flower to another on a different individual plant?
Which type of pollination occurs when pollen is transferred from one flower to another on a different individual plant?
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Hydrophytes are plants that live on land.
Hydrophytes are plants that live on land.
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What is the female part of the flower called?
What is the female part of the flower called?
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Study Notes
Parts of a Flower
- Petals: Colored parts of a flower, often noticeable.
- Stamen: The male part of the flower.
- Anther: Produces and holds pollen.
- Filament: A stalk that supports the anther.
- Pistil: The female part of the flower.
- Stigma: Sticky surface at the top of the pistil, traps and holds pollen.
- Style: Tube-like structure that holds up the stigma.
- Ovary: Enlarged basal portion of the pistil, containing ovules.
- Ovule: Contains the female reproductive cells.
- Sepal: Outer, often green and leaf-like parts of the flower that enclose developing buds.
- Receptacle: The part of the flower stalk where flower parts attach.
Flower Structure
- Perfect Flower: Has both pistil and stamen.
- Imperfect Flower: Has either a pistil or a stamen.
Pollination
- Pollination: Transferring pollen grains from the anther to the stigma.
Self-Pollination
- Self-Pollination: When pollen from the anther is deposited on the stigma of the same flower or another flower on the same plant.
Cross-Pollination
- Cross-Pollination: Transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same kind of plant.
Fertilization
- Fertilization: Pollen from a flower meets with the ovule in the female part (pistil) and forms seeds.
Parts of a Fruit
- Pericarp: The fruit wall.
- Exocarp: Outer layer of the fruit.
- Mesocarp: Middle layer of the fruit.
- Endocarp: Inner layer of the fruit.
- Seed: Develops from the ovule after fertilization.
Life Cycle of a Plant
- Seed: Starts the cycle.
- Sprout: Growing from seed.
- Seedling: Growing plant from sprout.
- Plant: Fully developed plant.
Germination
- Germination: Process where a seed grows into a new plant.
Needs of Plants
- Light
- Gases from the air
- Room to grow
- Nutrients
- Water
- Correct temperature
Plant Classification
- Classified by Structure
- Classified by Habitat
Plant Types
- Trees: Tall plants with big woody stems.
- Shrubs: Shorter than trees with woody stems.
- Vines: Plants with thin long stems that climb up walls or trees, sometimes crawling on the ground.
- Herbs: Fleshy stems that can be easily cut, some can be eaten or used as medicine.
- Grass: Plants with blade-like leaves, low, green, and non-woody plants.
- Xerophytes: Plants that live on land.
- Hydrophytes: Plants that live on water.
- Epiphytes: Plants that grow on the surface of another plant.
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Description
Explore the essential components of a flower, including petals, stamen, pistil, and their roles in reproduction. This quiz covers the basics of flower structure, perfect and imperfect flowers, and the processes of pollination and self-pollination. Test your knowledge and understanding of these vital botanical concepts.
