The DNA and other genetic materials like the chromosomes, are located either in the nucleus for eukaryotic cells, or in form of nucleoid in the cytoplasm of a prokaryotic cell.

Now to the options…

Option A is incorrect; DNA not located in the central vacuole.
Option B is very correct; genetic materials including the DNA is located in the nucleus of an eukaryotic cell.
The lysosome has nothing to do with storing genetic materials, it concerns itself with secretion and carrying of digestive enzymes, so, C is incorrect.
Actually, D is also incorrect; A golgi body concerns itself with chemical processing, packaging and transportation of materials, it concerns less about the DNA.

QUICK ADVICE…

You may please note that:

Eukaryotic cells are cells with clear and identifiable nucleus.
Prokaryotic cells are those with no nucleus; they have their DNA and genetic materials stored in the cytoplasm as nucleoids.

You may use the questions and answers session to deal further on this topic…

/culled from 2018 JAMB-UTME biology question 31/

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