Podcast
Questions and Answers
What is the primary function of the stem in plants?
What is the primary function of the stem in plants?
- Maximizing water absorption
- Transporting sugars
- Anchoring the plant in the soil (correct)
- Conducting photosynthesis
Which type of cells are living at maturity and have unevenly thickened primary cell walls for flexible support?
Which type of cells are living at maturity and have unevenly thickened primary cell walls for flexible support?
- Parenchyma cells
- Sclereids (correct)
- Tracheids
- Vessel elements
What is the main function of water-conducting cells in the xylem that are dead at maturity?
What is the main function of water-conducting cells in the xylem that are dead at maturity?
- Facilitating gas exchange
- Supporting plant growth (correct)
- Nutrient absorption
- Photosynthesis
Which cells retain the ability to divide and differentiate, perform most of the metabolic functions, and have a large central vacuole?
Which cells retain the ability to divide and differentiate, perform most of the metabolic functions, and have a large central vacuole?
What is the unique characteristic of vessel elements in the xylem compared to tracheids?
What is the unique characteristic of vessel elements in the xylem compared to tracheids?
What is the primary function of collenchyma and sclerenchyma cells in a plant stem?
What is the primary function of collenchyma and sclerenchyma cells in a plant stem?
In a dicot leaf, which layer of the mesophyll is rich in chloroplasts to maximize light capture?
In a dicot leaf, which layer of the mesophyll is rich in chloroplasts to maximize light capture?
Which of the following statements about secondary growth in stems and roots is true?
Which of the following statements about secondary growth in stems and roots is true?
What is the main function of parenchyma cells in plant tissues?
What is the main function of parenchyma cells in plant tissues?
How can tree rings be used to estimate a tree's age?
How can tree rings be used to estimate a tree's age?