
Quiz sur la coloration de Gram
Quiz
•
Biology
•
11th Grade
•
Easy

sébastien Déjean
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qui a mis au point la méthode de coloration de Gram ?
Alexander Fleming
Robert Koch
Hans Christian Gram
Louis Pasteur
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle couleur prennent les bactéries Gram+ après la coloration ?
Vert
Rose
Jaune
Violet
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le rôle du violet de gentiane dans la coloration de Gram ?
Décolorer les bactéries
Colorer l'intérieur des bactéries
Fixer le colorant
Rincer les lames
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel produit est utilisé pour décolorer les bactéries dans la méthode de Gram ?
Acide acétique
Lugol
Alcool-acétone
Eau de javel
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le critère systématique important pour la classification des bactéries ?
La taille des bactéries
La couleur après coloration
La forme des bactéries
Le type de culture
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le rôle du Lugol dans la méthode de coloration de Gram ?
Colorer les bactéries Gram+
Fixer le violet de gentiane
Décolorer les bactéries
Rincer les lames
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelles bactéries perdent leur couleur violette lors de la décoloration ?
Aucune des deux
Les deux types
Gram-
Gram+
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