10 Questions
What is the primary function of the stem in plants?
Anchoring the plant in the soil
Which type of cells are living at maturity and have unevenly thickened primary cell walls for flexible support?
Sclereids
What is the main function of water-conducting cells in the xylem that are dead at maturity?
Supporting plant growth
Which cells retain the ability to divide and differentiate, perform most of the metabolic functions, and have a large central vacuole?
Parenchyma cells
What is the unique characteristic of vessel elements in the xylem compared to tracheids?
Perforation plates for water flow
What is the primary function of collenchyma and sclerenchyma cells in a plant stem?
Strengthen and support the stem
In a dicot leaf, which layer of the mesophyll is rich in chloroplasts to maximize light capture?
Palisade mesophyll (upper layer)
Which of the following statements about secondary growth in stems and roots is true?
Cork cambium produces secondary phloem.
What is the main function of parenchyma cells in plant tissues?
Store nutrients
How can tree rings be used to estimate a tree's age?
Examining where late and early wood meet
Test your knowledge on plant growth and structure, including the hierarchical organization of plants, different meristems, primary and secondary growth, and the interdependence between roots and shoots in plants.
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