Cortex is the region found between:

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NEET is a competitive examination conducted in India. This question is from the 2016 NEET Biology paper.

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Question

Cortex is the region found between:

Accepted Answer

Correct Answer: C — Epidermis and steleStep-by-step Solution:In the cross-section of a stem or root, moving from outside to inside, the arrangement is: Epidermis (outermost protective layer) → Cortex → Stele (vascular cylinder). The cortex therefore lies between the epidermis (outer boundary) and the stele (inner vascular region). The stele includes pericycle, vascular bundles, and pith. The innermost layer of the cortex is the endodermis.Why other options are incorrect:Option A is incorrect because the region between endodermis and pith would include the pericycle and vascular bundles — part of the stele, not cortex. Option B is incorrect because the region between endodermis and vascular bundle is the pericycle (part of the stele). Option D is incorrect because the pericycle lies between the endodermis and the vascular bundles — both pericycle and endodermis are part of or bordering the stele, not the cortex region.Key Concept: From outside to inside in a stem/root: Epidermis → Hypodermis → Cortex (parenchymatous) → Endodermis → Pericycle → Vascular bundles → Pith. Cortex = region between epidermis and stele. Stele = pericycle + vascular bundles + pith.

Cortex is the region found between:

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Cortex is the region found between:

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