Podcast
Questions and Answers
What is the term for the central tissue of a monocot root?
What is the term for the central tissue of a monocot root?
- Cortex
- Pith (correct)
- Epidermis
- Xylem
Which of the following is the outer layer of a plant root?
Which of the following is the outer layer of a plant root?
- Endodermis
- Epidermis (correct)
- Cortex
- Phloem
What tissue in a monocot root is primarily responsible for water and nutrient transport?
What tissue in a monocot root is primarily responsible for water and nutrient transport?
- Phloem
- Xylem (correct)
- Endodermis
- Cortex
Which part of the monocot root is primarily involved in the transport of sugars?
Which part of the monocot root is primarily involved in the transport of sugars?
How would you distinguish a monocot root vs a dicot root under the microscope?
How would you distinguish a monocot root vs a dicot root under the microscope?
What is the function of the cortex in a monocot root?
What is the function of the cortex in a monocot root?
What role does the endodermis play in a plant root?
What role does the endodermis play in a plant root?
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Study Notes
Corn Root Structure
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Pith: Central core of the root, plays a role in storage and sometimes transport of nutrients.
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Epidermis: Outermost layer of cells, serves as protection and aids in water and nutrient absorption from the soil.
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Cortex: Layer between the epidermis and vascular tissues, primarily involved in storage and transportation of materials.
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Endodermis: Innermost layer of the cortex, acts as a selective barrier regulating the movement of water and nutrients into the vascular system.
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Xylem: Vascular tissue responsible for transporting water and dissolved minerals from the roots to the rest of the plant.
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Phloem: Vascular tissue that transports sugars and other metabolic products downward from the leaves.
Monocot vs Dicot Roots
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Monocot Roots: Characterized by scattered and bundled xylem tissue, appearing disorganized when viewed under a microscope.
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Dicot Roots: Feature an organized xylem structure typically forming an "X" shape at the center, distinguishing them clearly from monocots.
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