Gram staining technique is used for the differentiation of gram-positi – McqOptions

MCQOPTIONS

1.	Gram staining technique is used for the differentiation of gram-positive and gram-negative bacteria. What color do gram-negative bacteria show when observed under the microscope after the staining procedure?
A.	Blue
B.	Pink
C.	Purple
D.	Violet
Answer» C. Purple

Discussion

No Comment Found

Related MCQs

Which of the following are the routine diagnostic methods for the microbial examination of blood specimen collected from a patient who had symptoms such as fever and weakness for more than 2 days?
Select all the common specimens collected for the laboratory diagnosis of dermatophytes
Select all the most common clinically important spore-forming bacteria
All of the following statements are correct about the common bacteriological media known as Sheep blood agar, Except
Which of the following media is used for the routine bacteriological isolation of Salmonella and Shigella spp?
Which of the following selective media is used for the cultivation and isolation of Neisseria gonorrhoeae and N. meningitidis?
Mannitol Salt agar consisting of high salt concentration is both selective and differential media used for the isolation of which of the following gram-positive cocci?
All of the statements are true about Corynebacterium spp, Except
Which of the following media is one of the important and common media for the proper isolation of cocci pathogens such as Haemophilus spp and Neisseria gonorrhoea?
MacConkey s agar is both Selective and Differential media that is used primarily for the isolation of gram-negative bacteria. It consists of ................which inhibits the growth of gram-positive bacteria.