Question

The early settlers on a barren area are [NCERT 1980]
A) Ferns
B) Mosses
C) Lichens
D) Diatoms

Answer 1

Lichens are early settlers on a barren area

Answer 2

Answer:

c) Lichens

Explanation:

• Lichens are the early settlers on a barren area because they can tolerate desiccation during summer or excessive cooling during winters.
• They secrete lichen acids and carbonic acid.
• The acids slowly corrode rock surface and release minerals required for proper growth of lichens.