Morphology Of Flowering Plants Root Stem And Leaf Question 171
Question: Swollen spongy petiole is present in [APMEE 1996]
Options:
A) Hydrilla
B) Eichhornia
C) Ruppia
D) Pistia
Show Answer
Answer:
Correct Answer: B
Solution:
Some time the petiole becomes swollen and spongy due to the development of aerenchyma.
The type of petioles encloses much air and helps the plant to float.
e.g., Trapa bispinosa and Eichhornia.