Q. Haploid brown, hairlike, delicate unicellular outgrowths are
A) Root hairs of gymnosperms
B) Paraphysis of mosses
C) Root nodules of pulses
D) Rhizoids of fern plants
Explanation
The haploid unicellular spore of fern on germination forms prothallus, which possesses haploid, brown, hairlike delicate unicellular outgrowths. These are called rhizoids.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.