Question

I want the examples of the organisms which does not have well defined nucleus?

Answer 1

Example :- Bacteria , Cyanobacteria and Mycoplama.

• This organisms belongs to kingdom Monera.
• They do not have well defined nucleus i.e, nucleus is not enclosed in nuclear membrane.
• Cell organelles are not covered with a membrane.
• Some organisms have cell wall other do not have cell wall.
• The mode of nutrition may be autotrophic or heterotrophic.
• Organsims do not show multicellular body design. They are unicellular.

Answer 2

The organisms which does not have well defined nucleus are- bacteria,cyanobacteria,mycoplasma.