Home
Class 12
BIOLOGY
Assertion .Gram negative bacteria do not...

Assertion .Gram negative bacteria do not retain the when washed with alcohol.
Reason . The outer face of outer membrane of Gram negative bacteria contain lipopolysaccharides a part of which is integrated with membrane lipids.

A

(A)

B

(B)

C

(C )

D

(D)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • KINGDOM MONERA (THE PROKARYOTES)

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|10 Videos
  • KINGDOM MONERA (THE PROKARYOTES)

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|10 Videos
  • KINGDOM FUNGI-MULTICELLULAR DECOMPOSERS

    DINESH PUBLICATION|Exercise CYG|17 Videos
  • KINGDOM PLANTAE OR METAPHYTA

    DINESH PUBLICATION|Exercise CYG|20 Videos

Similar Questions

Explore conceptually related problems

Assertion Gram negative (-ve) bacteria release exotoxins and cause diseases in animals . Reason WBCs of animals get destroyed by exotoxins.

Assertion:The resting membrane of the neuron exhibits polarity of charges Reason:The outer surface of the axonal membrane possesses a negative charge while its inner surface becomes positively charged.

The bacteria which do not retain the crystal violet of iodine stain when after washing with alcohol are included in

When outer surface of the axonal membrane possesses a positive charge while its surface is negatively charged is called

Assertion : Some bacteria have the caoacity to retain Gram stain after treatement with acid alcohol. Reason : They are known as Gram positive as they are attracted towards positive pole under influence of electric current.

Assertion : Bacteria are prokaryotic. Reason : Bacteria do not posses true nucleus and membrane bound cell organelles.

The statement given below describe some of the characteristic features of Gram negative bacteria. Read them carefully and mark them as True(T)/False(F). I. Peptidoglycans in the cell wall are only form 3-12% . II. They produce exotoxins. III. The examples of Gram negative bacteria are Steptomuces, Staphylococcus and Streptococcus. IV. The cell wall in these bacteria is single-layered containing techoic acid.