AIIMS2006Botany-Microbiology
AIIMS 2006 Botany Bacterial Cell Walls Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 11
Assertion: Gram-negative bacteria do not retain the stain when washed with alcohol.
Reason: The outer face of the outer membrane of Gram-negative bacteria contains lipopolysaccharides, a part of which is integrated into the membrane lipids.
A
If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
B
If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
C
If Assertion is true statement but Reason is false.
D
If both Assertion and Reason are false statements.
Correct Answer
Option A
Detailed Explanation
The technique of staining bacteria was given by a Dutch microbiologist Christian Gram.
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