The outer most thick, tough, fibrous, non-elastic and white coloured layer of the eye is called _______.

Q.

What is the tough outer layer of a seed called?

Q. Choose the wrong statements regarding bacterial cell
(a) Glycocalyx is the outer most envelope in bacteria
(b) Gycocalyx could be a loose sheath called capsule
(c) Glycocalyx may be thick and tough called slime layer.
(d) A special structure formed by the plasma membrane is called mesosome.
(e) Small bristle-like fibres sprouting out of the cell are called fimbriae.

Q. is a thick and tough layer of polysaccharide present around a prokaryotic cell wall.

Q. The body of a crocodile is covered with a tough layer called ______.