Q. Which of the following cell organelles contain DNA?

1. Golgi Body
2. Mitochondria
3. Chloroplast

Select the correct option from the codes given below:
Answer: Only 2 & 3
Notes: Mitochondria and chloroplasts contain their own circular DNA, distinct from the nuclear DNA. Golgi body does not possess DNA. Both mitochondria and chloroplasts are believed to have originated from symbiotic bacteria, which explains their genetic material. Thus, only options 2 and 3 are correct.