Why chloroplast is semi autonomous?

Mitochondria is considered as autonomous cell organelle due to the following counts : Mitochondria have their own DNA which can replicate independently. The mitochondrial DNA produces its own mRNA, tRNA and rRNA. The organelles posses their own ribosomes, called mitoribosomes. read more

Chloroplasts are called semi autonomous organelles because they have their own DNA. And this DNA codes for some proteins used by the chloroplast. Moreover, they can generate their own energy and do not necessarily need the cell. read more

So we can say, despite of fully autonomous, Mitochondria is a semi-autonomous cell organelle. I hope this will solve your problem. If you like answer, plz upvote it. read more