Unicellular organisms without a well-defined nucleus are included in the kingdom:
A
Protista
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Monera
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Animalia
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Plantae
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B Monera Monerans are considered to be the most primitive organisms. The kingdom Monera includes organisms such as bacteria. These organisms are unicellular prokaryotes that do not have a distinct nucleus with a membrane.