What do you call the glycocalyx when It Is like a loose sheath In the cell envelope of bacteria?

Correct option is C

The correct answer is (c) Slime layer.
 When the glycocalyx is like a loose sheath in the cell envelope of bacteria, it is called a slime layer.
 The slime layer is a less organized and loosely attached form of glycocalyx compared to a capsule.
 It helps in protecting the bacterial cell and aids in adherence to surfaces and in forming biofilms.