NEET · BiologyMedium
Which tissue is responsible for the secondary growth in the stelar region of a dicot stem?
- A.Intrafascicular cambium only.
- B.Interfascicular cambium only.
- C.Vascular cambium ring formed by both intrafascicular and interfascicular cambium.
- D.Cork cambium.
Show correct answer & step-by-step solution
Correct answer: C — Vascular cambium ring formed by both intrafascicular and interfascicular cambium.
Solution
- Secondary growth involves the formation of a complete cambial ring.
- Intrafascicular cambium is present within the vascular bundles.
- Interfascicular cambium arises from medullary rays between bundles.
- The fusion of these two forms the functional vascular cambium ring.
- Hence the answer is (C).
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