Question

Kingdom which organisms do not have well defined membrane nucleus

Answer 1

Prokaryotes lacks a well defined nucleus. In monera the becteria are eg. They dont have a well defined nucleus.

Answer 2

Hi... Here is your answer

Kingdom Monera do not have well defined membraned nucleus because the living beings under this kingdom are prokaryotic.

Bacteria is the most abundant member of Kingdom Monera.

Hope you're helped.
Well question dude.