CDS 2026 (I) General Knowledge, question 1

Topic: Biology

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Q1

The central cytoplasmic region of a prokaryotic cell containing nucleic acids is called :

  1. (a) Nucleus
  2. (b) NucleoidCorrect answer
  3. (c) Nucleolus
  4. (d) Plastid

Solution.

Answer: (b) Nucleoid

  1. The nucleoid is the DNA-containing region of a prokaryotic cell.
  2. It lacks a surrounding nuclear membrane, which distinguishes it from the true nucleus of a eukaryotic cell.