Q. Which of the following pairs lack the unit membrane?
A) Nucleus and ER
B) Mitochondria and chloroplast
C) Ribosome and nucleolus
D) Golgi body and lysosome
Explanation
Ribosome (site of protein synthesis) and nucleolus (site of $r$RNA synthesis) are amembranous cell organelles.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.