Question
Biology Question on morphology of flowering plants
An example of edible underground stem is:
A
Carrot
B
Groundnut
C
Sweet potato
D
Potato
Answer
Potato
Explanation
Solution
Modified stems that are located below ground are bulbs, corms, rhizomes, and tubers. Potato is the edible portion of an underground stem that is a tuber. The eyes of the potato are lateral buds.
- The carrot is a modified tap root for food storage.
- Sweet potato is a modified adventitious root specialized for the storage of food. They arise from parts of plants other than the radicle.
- Groundnut is an edible seed.
Carrot and sweet potato are root modifications while the edible part of groundnut is seeds.
Therefore, D) potato is an edible underground stem.