NTA Abhyas NEET2020BotanyMorphology of Flowering PlantsPractice
Which of these plants have a modification of stem as indicated by the red arrow, in this diagram?
Options
- APistia and Eichhornia
- BPineapple and Chrysanthemum
- CMint and Jasmine
- DGrass and Strawberry
Correct answer
B. Pineapple and Chrysanthemum
Step-by-step solution
The given diagram is of suckers a type of underground stem. In this modification, the lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil and then come out obliquely upward giving rise to leafy shoots. It is seen in banana, pineapple and Chrysanthemum. Underground stems of some plants such as grass and strawberry, etc., spread to new niches and when older parts die new plants are formed. In plants like mint and jasmine a slender lateral branch arise