Multiple choice

Which of the following is an example of aerial stem modification?

  1. Cladode

  2. Sucker

  3. Rhizome

  4. Runner
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A Correct answer
Explanation

Cladodes are flattened, photosynthetic stems that resemble leaves and function as aerial stems. They are modifications for photosynthesis in xerophytic conditions. Examples include Ruscus and Asparagus. Suckers, rhizomes, and runners are subterranean stem modifications.

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