Which organelle is not found in prokaryotic cells

Which one of the following organelle is not found in prokaryotic cells?

  1. Cell wall
  2. Mitochondria
  3. Plasma membrane
  4. Ribosome

Answer

Prokaryotic cells do not have a well-organised nucleus. The genetic material is a single molecule of DNA lying in the cytoplasm. Cell organelles like mitochondria, lysosomes, endoplasmic reticulum, chloroplast, nucleolus, etc. are not present in prokaryotic cells.

Examples: Bacteria and blue-green algae. 

The correct option is B.