NEET Biology Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली Question Bank Structure Shape and Nutrition of Bacteria

  • question_answer
    The main difference between Gram positive and Gram negative bacteria lies in the composition of [CBSE PMT 1990, 2001]

    A)            Cilia                                          

    B)            Cell wall

    C)            Neucleolus                               

    D)            Cytoplasm

    Correct Answer: B

    Solution :

                 In G+ (Gram?positive bacteria) cell wall is \[200-300\,\overset{o}{\mathop{\text{A}}}\,\] thick having mucopeptides 85% and lipids 1?2% while in \[{{G}^{-}}\] (Gram-negative bacteria) cell wall is \[100-200\,\overset{o}{\mathop{\text{A}}}\,\]thick and mucopeptides are 10?12% and lipids 80?90%.


You need to login to perform this action.
You will be redirected in 3 sec spinner