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Questions and Answers
What are the components of the shoot system in plants?
Stem, leaves, flowers, and fruits
Which of the following is a type of stem found in trees?
What type of stem is hollow and jointed, typically found in grasses?
Culms
Thorns are soft, green stems that protect the plant.
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What is the function of a stem in plants?
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Which type of stem is known for growing along the ground and spreading out horizontally?
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Study Notes
Shoot System (Stem)
- The shoot system comprises all plant parts above ground, including stems, leaves, flowers, and fruits.
- Stems are vital for support, helping maintain plant structure and upright position.
Types of Stems
- Trunk: Thick, woody stem of trees, provides sturdy support for branches and leaves (e.g., Mango Tree).
- Culms: Hollow, jointed stems found in grasses and some plants, typically thin (e.g., Bamboo).
- Thorns: Sharp, modified stems that protect plants from herbivores (e.g., Rose).
- Herbs: Soft, flexible, non-woody stems; typically small and short in height (e.g., Petchay).
- Shrubs: Medium-sized plants with several thin, woody stems near the ground; bushy appearance (e.g., Gumamela).
- Climbers: Long, flexible stems that climb using supports; may have tendrils for attachment (e.g., Grapes).
- Creepers: Stems that grow horizontally along the ground, spreading out and rooting at intervals (e.g., Squash).
Functions of a Stem
- Support: Positions leaves, flowers, and fruits for optimal sunlight and air exposure.
- Transport: Facilitates the movement of water and nutrients from roots to leaves, and food distribution from leaves to other plant parts.
- Storage: Certain stems reserve extra food and water for the plant, illustrated by energy storage in potatoes.
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Description
This quiz explores the shoot system in plants, including the structure and function of stems, leaves, flowers, and fruits. Learners will gain an understanding of the importance of these components in plant biology. Dive into the significance of the shoot system and enhance your botanical knowledge.
