Q. Which of the given statements are correct? I. $Escherichia\ coli$ is a Gram ($-$) bacteria II. $Bacillus\ subtilis$ is a Gram ($+$) bacteria III. Working of the Gram’s stain in Gram ($-$) bacteria is due to high lipid content of the cell wall, which gets dissolved in organic solvents like acetone Choose the correct option
A) I and III
B) II and III
C) I and II
D) I, II and III
Explanation
Escherichia coli is a Gram ($- ve$) bacteria. Bacillus subtilis is a Gram $( + ve$) bacteria. Washing of the Gram’s stain in Gram ($- ve$) bacteria is due to high lipid content of the cell wall, which gets dissolved in organic solvents like acetone
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.