Question

Which of the following is the subaerial stem modification with long internodes?

• A. Rhizome
• B. Offset
• C. Runner
• D. Sucker

Answer 1

The correct option is C Runner

• Plants show different stem modifications, such as runner, stolon, rhizome, corm, sucker, tuber, bulb, thorn, phylloclades, and cladode.
• Some of these are underground modification, some are subaerial modification and some are aerial modification.
• Underground modifications are generally for food storage. Subaerial modification generally shows vegetative propagation. Aerial modification is for special functions such as climbing, protection, and storage.
• Runners are modified horizontal stems with long internodes. They grow along the surface of the ground.
• Offset has only one internode, and sucker does not have an internode.
• A rhizome is an underground stem modification with nodes and short internodes.

Thus, the correct answer is option C.