Cell The Unit Of Life Question 24
Question: Arrange the following steps in a correct sequence as per Gram’s staining technique.
(i) Treatment with 0.5% iodine solution. (ii) Washing with water. (iii) Treatment with absolute alcohol/acetone. (iv) Staining with weak alkaline solution of crystal violet. The correct sequence is:
Options:
A) (ii), (i), (iv), (iii)
B) (iv), (i), (ii), (iii)
C) (iii), (ii), (i), (iv)
D) (iv), (iii), (ii), (i)
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Steps of Gram’s staining technique.
(i) Staining with weak alkaline solution of crystal violet.
(ii) Treatment with 0.5% iodine solution.
(iii) Washing with water.
(iv) Treatment with absolute alcohol/acetone.
BETA
