Multiple choice

A true nucleus is absent in:

  1. green algae

  2. fungi

  3. lichens

  4. bacteria

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bacteria are prokaryotes lacking a true membrane-bound nucleus - their DNA exists as a circular chromosome free in the cytoplasm without nuclear envelope. Green algae, fungi, and lichens (symbiosis of fungi and algae) are all eukaryotes with true nuclei.