1. It is of same composition and thickness among different bacteria though it may differ whethe tightly or loosely attached.
2. It could be a loose sheath called the capsule in some
3. While in others it may be tightly bound and tough, called the slime layer.
( a ) All are incorrect
( b ) 1 is correct but 2 and 3 are incorrect
( c ) 2 is correct but 1 and 3 are incorrect
( d ) 3 is correct but 1 and 2 are incorrect