Q. Which stain shows Gram negative bacteria during bacterial staining?
A) White
B) Red
C) Black
D) Purple
Explanation
During bacterial staining (Gram staining), Gram positive bacteria stained purple, while Gram negative stained red or pink.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.