Which one of the following term is not a part of the nucleus

Which one of the following term is not a part of the nucleus?

  1. ribosome
  2. nucleolus
  3. chromosome
  4. gene

Answer

Ribosome is not a part of nucleus. They are found floating in the cytosol or attached to the endoplasmic reticulum.

Nucleus is the largest organelle in cell that contain thread-like structures called chromosomes on which genes are present. Nucleolus is the round irregular structures present inside nucleus.

The correct option is A.