Question

Which one of the following organisms is not an
example of eukaryotic cells ?
(a) Paramoecium caudatum
(b) Escherichia coli
(c) Euglena viridis
(d) Amoeba proteus

Answer 1

The organism which is not an example of eukaryotic cell is

option: (b) is correct that is Escherichia coli as ;

* Bacteria are example of the prokaryotic cell type and E.coli is bacteria .

*Eukaryotes are organisms whose cell have a nucleus enclosed with membrane .

*While , prokaryotes are those which have no membrane- bound organelles.

Answer 2

Option (b) is the right answer.

Escherichia coli is not an example of eukaryotic cells.

The specific reasons are mentioned below :

- Escherichia Coli belongs to the group of unicellular organisms and are classified as prokaryotic cells.

- Prokaryotic cells don't have nucleus and membrane bound organelles whereas eukaryotic cells contain nucleus with distinct membrane and also contains all the other specific organelles.

- As Escherichia Coli doesn't contains nucleus it comes under the category of prokaryotic cells.

- Paramoecium caudatum , Euglena viridis and Amoeba proteus are eukaryotic cells and they contain nucleus and the other membrane bound organelles.