Q19 / 180 · AIIMS 2002 · Botany

Which of the following structures helps in the respiration of lichens?

A
Soredia
B
Isidia
Correct answer
C
Cyphella
D
Cephalodia

Solution

Cyphella are small depressions or cavity like openings into the medulla on the ventral surface of the thallus of certain lichens. They perform respiratory functions.

Hence, the correct answer is option: 'C'.

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