Question

Mitochondria and chloroplasts are called as strange cell organelles

Answer 1

this is because they have their own DNA and can replicate themselves

Answer 2

Strange Cell Organelles

Each cell contains some organelles such as ribosomes, nucleus, mitochondria and sometimes plastids. ... The mitochondria helps in respiration and plastid helps in protein synthesis. A cell organelle doing a process and containing its own DNA is strange. So, Mitochondria and Plastids are called strange organelles