Stains

Question 1

What stain stains lignin blue-green?

Answer 1

Toluidine blue O

Question 2

What stains can stain lignin?

Answer 2

Toluidine blue O, safranin

Question 3

What colour is lignin under safranin stain?

Answer 3

Red

Question 4

What colour is cellulose under Schulze’s solution?

Answer 4

Blue-violet

Question 5

What can toluidine blue O stain?

Answer 5

Lignin – blue-green

Question 6

What can Schulze’s solution stain?

Answer 6

Cellulose – Blue-violet
Lignin – Yellow
Suberin – Yellow or brown
Starch – Blue

Question 7

What can methylene blue stain?

Answer 7

Cellulose – Blue

Question 8

What can safranin stain?

Answer 8

Chromosomes, nuclei, lignin, cell walls – RED

Question 9

What colour do chromosomes appear under safranin

Answer 9

Red

Question 10

What colour does cellulose appear under methylene blue?

Answer 10

Blue

Question 11

What colour does lignin appear under Schulze’s solution?

Answer 11

Yellow

Question 12

What colour does SUBERIN appear under Schulze’s solution?

Answer 12

Yellow/brown

Question 13

What colour does starch appear under Schulze’s solution?

Answer 13

BLUE