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Casparian strips are a characteristic feature of which root layer?
ACortex
BPericycle
CEndodermis
DEpiblema
Answer & Solution
Correct answer: C. Endodermis
1. The endodermis is the innermost layer of the cortex in a root.
2. Its cells show band-like thickenings on radial and inner tangential walls called Casparian strips.
3. Hence Casparian strips belong to the endodermis.
4. The cortex stores food but lacks these thickenings, so it is wrong.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 12 Plant Anatomy and Plant Physiology "Internal Structure of Dicot Root", p.182_
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