Multiple Choice
In plants, where does growth in length primarily occur?
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33. Plant Anatomy
Growth
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Which of the following is a lateral meristem?
A
Node
B
Leaf primordium
C
Axillary bud
D
Bundle sheath
E
Vascular cambium
Verified step by step guidance1
Understand the concept of meristems: Meristems are regions in plants where active cell division occurs, leading to growth. They are classified into apical meristems (found at the tips of roots and shoots) and lateral meristems (responsible for growth in thickness).
Identify lateral meristems: Lateral meristems include the vascular cambium and cork cambium. These are responsible for secondary growth, which increases the girth of the plant.
Examine the options: Node, Leaf primordium, Axillary bud, and Bundle sheath are not involved in secondary growth. They are associated with primary growth or specific plant structures.
Focus on vascular cambium: The vascular cambium is a type of lateral meristem that produces secondary xylem (wood) and secondary phloem, contributing to the thickening of stems and roots.
Conclude with the correct identification: Based on the understanding of lateral meristems, the vascular cambium is the correct answer as it is responsible for secondary growth in plants.
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