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Vascular Cambium Video Lecture - NEET
FAQs on Vascular Cambium Video Lecture - NEET
| 1. What is vascular cambium? |  |
Ans. Vascular cambium is a type of lateral meristem found in the stems and roots of woody plants. It is responsible for secondary growth, which results in the increase in thickness of the plant's stem or root.
| 2. How does vascular cambium contribute to the growth of woody plants? | |
Ans. Vascular cambium contributes to the growth of woody plants by producing new xylem and phloem cells. The xylem cells are responsible for transporting water and minerals from the roots to the leaves, while the phloem cells transport sugars and other nutrients throughout the plant.
| 3. What is the role of vascular cambium in the formation of annual rings in trees? | |
Ans. The vascular cambium is responsible for the formation of annual rings in trees. During the growing season, the cambium produces new xylem cells that are added to the tree's trunk or stem. These new cells are larger and have thinner cell walls, resulting in lighter-colored wood. In the dormant season, the cambium produces smaller, denser xylem cells with thicker cell walls, resulting in darker-colored wood. The alternating pattern of light and dark wood forms the annual rings.
| 4. How does the activity of vascular cambium change with age? | |
Ans. The activity of vascular cambium decreases with age in woody plants. As a tree or plant matures, the rate of cell division in the cambium decreases, resulting in slower growth and a decrease in the production of new xylem and phloem cells. This is why older trees have narrower annual rings compared to younger trees.
| 5. Can vascular cambium differentiate into other types of tissues? | |
Ans. No, vascular cambium cannot differentiate into other types of tissues. Its primary function is to produce new xylem and phloem cells, which are essential for the transport of water, nutrients, and sugars within the plant. Other types of tissues, such as the epidermis or cortex, are derived from other meristematic tissues.
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Dec 18, 2024 Last updated |
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