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- #National Eligibility Cum Entrance Test
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The cells of quiescent centre are
Option: 1
Metabolically active
Option: 2
Metabolically inactive
Option: 3
Metabolically dead
Option: 4
None of these
Answers (1)
Quiescent centre theory: It was given by Clowes in 1961. He studied maize and proposed that between the root apical meristem and root cap, there is a region of inactive cells called quiescent centre. These cells have fewer mitochondria, ER, very small nuclei and low rate of metabolism. These cells act as a reservoir of meristematic cells. In case of injury to meristem, they become meristematic and add to the growth of root.
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The cells of quiescent centre are metabolically inactive.
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