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STD 11 - 5. Morphology flowering plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 5. Morphology flowering plants1 Mark
MCQ
The quiescent centre in root meristem serves as a:
  • A
    Site for storage of food which is utilized during maturation.
  • B
    Reservoir of growth hormones.
  • C
    Reserve for replenishment of damaged cells of the meristem.
  • ✓
    Region for absorption of water.
✓

Answer

Correct option: D.
Region for absorption of water.
d
The concept of quiescent centre was proposed by Clowes in $1961.$ On the basis of autoradiographic studies of DNA synthesis in the root tip of Zea, he found a reservoir of cells having low DNA, RNA and protein concentration. He called it quiescent center. They may or may not divide. It is resistant to damage.

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