What is the criterion for classification of organisms as belonging to kingdom-Monera and Protista?

Q:- What is the criterion for classification of organisms as belonging to kingdom-Monera and Protista?

 

Answer:-

Kingdom-Monera
(i) These organisms do not have a well-defined nucleus or cell organelles.
(ii) They do not have multicellular body.
(iii) Cell wall is present in some of them only.
(iv) The mode of nutrition can be autotrophic or heterotrophic.
(v) The organisms belong to Monera are bacteria, blue-green algae and mycoplasma.

Kingdom-Protista
(i) The kingdom-Protista includes many kinds of unicellular eukaryotic organisms.
(ii) Their mode of nutrition can be autotrophic or heterotrophic.
(iii) The organisms have appendages like cilia or flagella for the movement.
(iv) The organisms belong to Protista are algae, diatoms and protozoans.