Question

In lichens, medulla has

• A. Endodermis
• B. Hadrome
• C. Hypodermis
• D. Piliferous layer

Answer 1

Answer: (B)

Hadrome

Mosses are flowerless plants that grows as dense green tufts or mats in damp and shady locations. Lichens on the other hand though, they appear similar to mosses, are not related to these are are a composite organism of algae, cyanobacteria and living in a symbiotic relationship in a fungus. The medulla which is found below the cortex in lichens is made up of loosely woven layer of fungal filaments. Hadrome refers to collection of hydroids or vascular tissue that occur in some bryophytes or mosses and help in transporting water and minerals drawn from the soil.

Therefore, the correct answer is option B.