wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Safranin stains which element of the tissues?

A
Starch elements
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Lignified elements
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Bast
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Protein elements
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B Lignified elements
Safranin O is a regressive dye and requires destaining and differentiation with picric acid or HCl. The Safranin-stained tissues are counterstained with Fast Green — a progressive dye. At the concentration used, Fast Green stains the tissues within 10–15 s, so it is best to test the procedure on one or two slides before staining your entire set. In plant tissues stained with this method, Safranin O appears brilliant red in chromosomes, nuclei, lignified, suberized, or cutinized cell walls. Fast Green appears a brilliant green in cytoplasm and cellulosic cell walls. Fast Green turns blue in basic solutions. It appears blue to bluish-green in the stems and leaves of aquatic plants and most gymnosperms. An aqueous alternative to Fast Green FCF is Alcian Blue. Safranin does not stains starch, based and protein elements.
Therefore, the correct answer is option B.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Mitochondria
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon