Interfascicular cambium develops from the cells of
Correct answer: C. Medullary rays
- A. Endodermis
- B. Pericycle
- C. Medullary rays
- D. Xylem parenchyma
Explanation
(c): In dicot stems, the cells of cambium present between the primary xylem and primary phloem is the interfascicular cambium. The cells of medullary rays, adjoining these intrafascicular cambium become meristematic and form the interfascicular cambium. Thus, a continuous ring of cambium is formed.
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Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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