18 Questions
Which type of pit has a continuous helical structure around the entire pit border?
Reticulate pit
What is the primary function of annular pits found in plant cells?
Provide structural support
Which epidermal derivative is specialized for defense against herbivory and pathogens?
Glandular trichome
What is the primary function of scale trichomes in plants?
Protect against heat and prevent water loss
Which cell type is responsible for the opening and closing of stomatal pores in leaves?
Guard cells
Which ground tissue originates from the procambium in roots?
Pith
What is the main difference between annular and bordered pits?
Annular pits have a simple pit border structure while bordered pits have a more complex bordered-pit structure.
Which of the following statements accurately describes helical pits?
Helical pits have a spiral pattern of secondary cell wall thickening.
What is the primary function of stinging trichomes in plants?
Stinging trichomes provide protection against herbivores by delivering toxins.
Which cell type has a low nucleus-to-cytoplasm ratio and a thick cell wall in mature cells?
Epidermal cells
In plant anatomy, what is the primary role of root hairs?
Root hairs increase the surface area for water absorption in roots.
Which of the following best describes the function of cork cambium in plant stems?
Cork cambium generates new cork cells to protect the stem from water loss.
Which of the following secondary cell wall patterns has the highest structural strength?
Bordered pitted
Which of the following cell types is primarily responsible for water transport in plants?
Vessel elements
Which of the following statements about cell diameter and cell type is correct?
Tracheids have a smaller diameter than vessel elements within the xylem tissue.
Which of the following statements about epidermal derivatives is correct?
All of the above statements are correct.
Which of the following pairs correctly matches the cell wall pattern with its characteristic?
Bordered pitted: pit pairs surrounded by a border
Which of the following statements about the fate of meristematic tissue in roots is correct?
All of the above statements are correct.
Test your knowledge on the structural characteristics, functions, and types of plant vascular tissues such as vessels. Identify the features and classifications of different vessel types based on their cell structure and functions.
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