Multiple choice Which of the following is not a characteristic of Kingdom Monera? The organisms do not have a clearly defined nucleus. Cell organelles are not covered with a membrane. These are unicellular organisms. None of these organisms have a cell wall. Mode of nutrition can be autotrophic or hetrotrophic. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Some organisms in Kingdom Monera have a cell wall and some do not have a cell wall. Thus, this is the correct answer.