Question

- In three-domain system of classification, unicellular
organisms
(1) Do not get any place
(2) Are placed only in one domain
(3) Are not grouped with eukaryotes
(4) Are placed in all the three-domains​

Answer 1

Answer:(4)Are placed in all 3 domains

Explanation:Bcoz all 3 domains have some unicellular organism.

Answer 2

Correct answer regarding classification is - (4) Are placed in all the three-domains

Organisms have been classified in various ways, out of them three domain classification was done by Carl Woese.

The division is done on the basis of type of cell organisms. The three divisions are - archea, bacteria and eukarya.

Archea contains primitive organisms with no nucleus.

Bacteria are the organisms without true nucleus.

Eukarya are the organisms with true nucleus.