Which of the following domains contains organisms that are unicellular and lack a true nucleus?

A. Eukarya
B. Archaea
C. Monera
D. Bacteria

Answer: Bacteria

Additional Information: Bacteria belong to the domain Bacteria, which consists of unicellular, prokaryotic organisms.

Related MCQs

Which of the following is a type of protist?
Which of the following organisms belong to the kingdom Animalia?
Which of the following kingdoms is known for organisms that are primarily decomposers?
What is the characteristic that distinguishes the kingdom Monera from other kingdoms?
Which group of organisms is classified as eukaryotic but can be both unicellular and multicellular?
What is the major difference between the kingdoms Archaea and Bacteria?
What is the function of the cell wall in plants?
Which of the following is a key characteristic of organisms in the kingdom Fungi?
What term is used to describe organisms that cannot make their own food and rely on external sources?
Which kingdom includes organisms that are primarily unicellular but are capable of photosynthesis?
What is a major characteristic of organisms in the kingdom Fungi?
Which kingdom consists of organisms that obtain their food by absorbing nutrients from other organisms?
Which of the following groups of organisms does not have a nucleus?
Which of the following groups of organisms is classified as eukaryotic?
Which of the following taxonomic ranks is more general than ‘Family’ but more specific than ‘Class’?

Search for: