Biological Classification And System Of Classification Question 190
Question: Which of the following structure helps in the respiration of lichens
[AIIMS 2002]
Options:
A) Soredia
B) Cyphella
C) Isoidia
D) Cephalodia
Show Answer
Answer:
Correct Answer: B
Solution:
The cyphellae are small circular depressions and are found irregularly scattered on the underside of some lichens such as Sticta.
They have a definite rim made of spherical thin walled cells and open into the medulla of the lichen. So, the correct answer is ‘Cyphella’
BETA
