Q. Spore dissemination in some liverworts is aided by
A) indusium
B) calyptra
C) peristome teeth
D) elaters
Explanation
[Solution from source] In liverworts such as Marchantia the capsule contains hygroscopic elaters that twist with changing humidity and scatter the spores. Peristome teeth do this job in mosses, and the indusium covers sori of ferns. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.