Q. Which of the following organisms completely lack cell wall, they are the smallest living cells known and can survive without oxygen?

A) Mycoplasma
B) Euglenoids
C) Slime moulds
D) All of these
Explanation

Mycoplasmas are organisms that completely lack cell wall. They are the smallest living cells that can survive without oxygen. Many of them are pathogenic in plants and animals.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.