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The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
The nuclear material without nuclear membrane is observed in:
  • A
    Bacteria and green algae.
  • B
    Cyanobacteria and red algae.
  • C
    Bacteria and cyanobacteria.
  • D
    Mycoplasma and green algae.
✓

Answer

  1. Bacteria and cyanobacteria.

Explanation:

Bacteria and cyanobacteria are prokaryotes, i.e., having pro or primitive karyon. These cells have primitive nucleus, not having a distinct nuclear membrane. These cells have a single circular molecule of DNA as genetic material but it is not present inside membrane bound nucleus.

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