In Gram staining of bacteria, basic dye and mordant used are
I. crystal violet
II. iodine
III. ethanol
IV. ethanol-acetone solution

In gram staining of bacteria, the basic dye and mordant, used are

Consider the following statements about Gram staining. I. All bacteria whether Gram positive (+) or Gram negative (-) will stain bluish-purple when stained with crystal voilet. II. Gram negative bacteria appears pink on staining with safranin. III. Iodine in Gram staining acts as a mordant. IV. Alcohol treatment is required after Crystal Voilet lodine (CVI) complex. Choose the correct option.

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

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

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

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

The acidity of compounds I-IV in water I. Ethanol II. Acetic Acid III. Phenol IV. Acetonitrile follows the order

Which of the given statements are correct ? (i) Bacillus subtilis is a Gram (+ve) bacteria. (ii) Escherichia coli is a Gram (-ve) bacteria. (iii) Washing of the Gram's stain in Gram (-ve) bacteria is due to high lipid content of the cell wall, which gets dissolved in organic solvents like acetone.

Which of the given statements are correct ? (i) Bacillus subtilis is a Gram (+ve) bacteria. (ii) Escherichia coli is a Gram (-ve) bacteria. (iii) Washing of the Gram's stain in Gram (-ve) bacteria is due to high lipid content of the cell wall, which gets dissolved in organic solvents like acetone.

Which of the given statements are correct ? (i) Bacillus subtilis is a Gram (+ve) bacteria. (ii) Escherichia coil is a Gram (-ve) bacteria. (iii) Washing of the Gram's stain in Gram (-ve) bacteria is due to high lipid content of the cell wall, which gets dissolved in organic solvents like acetone.