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Which statement about the ground tissue of a monocot stem is correct?
AIt is differentiated into cortex, endodermis, pericycle and pith
BIt is restricted to a thin ring near the epidermis
CIt is made entirely of sclerenchyma cells
DIt is undifferentiated and extends to the centre
Answer & Solution
Correct answer: D. It is undifferentiated and extends to the centre
1. In the monocot stem the parenchyma mass next to the hypodermis extends to the centre as ground tissue.
2. It is not differentiated into cortex, endodermis, pericycle and pith.
3. So the ground tissue is undifferentiated and reaches the centre.
4. Differentiation into those zones is a dicot stem feature, so option A is the trap.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 12 Plant Anatomy and Plant Physiology "Internal Structure of Monocot Stem", p.185_
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