Consider the following cell organelles:
1. Nucleus
2. Mitochondria
3. Chloroplast
4. Endoplasmic Reticulum
Which among the above have DNA?

Answer: [C] Only 1, 2 & 3

In prokaryotes, nonviral extrachromosomal DNA is primarily found in plasmids, where there is no nucleus, it exists as a diffuse coil; whereas in eukaryotes extrachromosomal DNA is primarily found in cell organelles viz. mitochondria and chloroplast.

This question is a part of GKToday's Integrated IAS General Studies Module