Ginger is a stem and not a root because:

Correct option is C

The correct answer is It has nodes and internodes.
Ginger is a modified stem called a rhizome. It has nodes, internodes, scale leaves, and axillary buds—all stem characteristics. This helps it perform vegetative propagation.
Option Analysis:
· A) Stores food: True but not exclusive to stem.
· B) Bitter taste: Not a structural feature.
· C) Nodes/internodes: Clear marker of stem; definitive trait.
· D) Non-green: Applies to both roots and stems; not diagnostic.
Information Booster:
· Vegetative propagation occurs via buds on nodes
· Other examples: Turmeric, banana, and lotus stem
· Used in propagation, food storage, and survival