question_answer 26)

  Plastid differs from mitochondria on the basis of one of the following features. Mark the right answer. (a) Presence of two layers of membrane              (b) Presence of ribosome (c) Presence of thylakoids                                            (d) Presence of DNA

Answer:

                  (c) Presence of thylakoids, the structural elements of chloroplast, differs then (plastids)from mitochondria. Thylakoids are flattened sacs stocked one above the other to formgrana. They help in photosynthesisRest of the features- presence of two layers of membrane, ribosome and presence ofDNA are common to both plastids and mitochondria.