Question

Which of the following is not a modification of a leaf?

Answer 1

Hint: Leaves are the appendages of the plant that usually come out of the stem. They help the plant to conduct photosynthesis and the underside of the leaf also contains stomata which help in the respiration of the plant. The leaf can be modified to perform various functions in the plant.

Complete answer:
Leaves are the portion of the plant which perform photosynthesis in the plant. These leaves can be modified into various parts that help the plant perform various functions. For example, leaves can be modified into spikes so the plant can protect itself.
Tendrils help the plant to support itself. The tendrils of the plant can wrap around objects and pull the plant up. They attach the plant onto various things and they help climbers to move up. Tendrils can form from stems or they can also be modified leaves of the plant.
The answer to this question is A, the tendril in antigonon. Antignon is a genus of flowering plants that are from the buckwheat family. This plant is a vine plant that is perennial. This plant has tendrils that grow out of the stem of the plant. All of the other plants that are given here have tendrils that are modified from the leaves of the plant.

Note:
The tendrils of antigonon are modified from the stem of the plant. The other plants that are on this list have tendrils that are modified from leaves.