StreakPeaked· Practice

ExamsNEETBiology

The main difference in Gram (+ve and Gram (–)ve bacteria resides in their

  1. cell wall
  2. cell membrane
  3. cytoplasm
  4. flagella

Correct answer: cell wall

Solution

Gram-positive and Gram-negative bacteria differ mainly in their cell wall structure. Gram-positive bacteria have a thick peptidoglycan layer, while Gram-negative bacteria have a thinner peptidoglycan layer plus an outer membrane.

Related NEET Biology questions

⚔️ Practice NEET Biology free + battle 1v1 →