Question:

Woody perennial climbers are commonly called

Updated On: Jun 20, 2022
  • lianas
  • creepers
  • rhizomes
  • runners
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The Correct Option is A

Solution and Explanation

Answer (a) lianas
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Concepts Used:

Stem - Nodes and Internodes

Underground Modification

In some plants, stems are modified to form underground structures that store food. Some examples of the underground stem are as follows:

Rhizome: They are non-green, fleshy structures that resemble roots in appearance. The presence of nodes and internodes distinguishes them from roots. When a rhizome grows horizontally, it is called Straggling Rhizome. This type of rhizome is seen in turmeric, ginger, etc. If a rhizome grows in an oblique direction, it is called RootStock Rhizome. This is found in bananas and alocasia. 

Therefore it has nodes and internodes. Ginger is a stem and not a root because it has nodes and internodes. It is a rhizome, an underground modification of the stem.