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Questions and Answers
What is the orientation of tracheas with respect to the main axis of the stem?
What is the orientation of tracheas with respect to the main axis of the stem?
- Oblique
- Parallel (correct)
- Diagonal
- Perpendicular
What is the composition of tracheas?
What is the composition of tracheas?
- Specialized vessels
- Cellular tissues
- Living cells
- Non-living tubes (correct)
Which plant groups are tracheas found in?
Which plant groups are tracheas found in?
- Both Gymnosperms and Angiosperms (correct)
- Angiosperms only
- Neither Gymnosperms nor Angiosperms
- Gymnosperms only
What is the function of tracheas in plants?
What is the function of tracheas in plants?
What type of cells form tracheas?
What type of cells form tracheas?
What is the main function of sieve tube elements in plants?
What is the main function of sieve tube elements in plants?
In what type of plants do sieve tubes occur?
In what type of plants do sieve tubes occur?
Which type of cells are sieve cells most similar to?
Which type of cells are sieve cells most similar to?
What is the function of sieve cells and sieve tubes collectively known as?
What is the function of sieve cells and sieve tubes collectively known as?
Which of the following is true for sieve tube elements?
Which of the following is true for sieve tube elements?
What is the function of xylem fibers in plant anatomy?
What is the function of xylem fibers in plant anatomy?
What is the phlogenetically oldest type of conductive vessel in xylem?
What is the phlogenetically oldest type of conductive vessel in xylem?
What is the function of wood parenchyma in xylem?
What is the function of wood parenchyma in xylem?
What is characteristic of tracheids in xylem?
What is characteristic of tracheids in xylem?
What is the function of libriform fibers in xylem?
What is the function of libriform fibers in xylem?
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