34 out of 97
Negative staining demonstrates, while +ve staining doesn’t demonstrate capsule. This is because capsule is composed of (AIIMS Nov 2010)
Ans. B Polysaccharide
Capsules are present in certain bacteria and fungi. All capsules are polysaccharide chemically. (except the capsule of B. anthracis, which is polypeptide).
Capsule is demonstrated by either negative staining or by Quellung reaction.