Question

DNA is not present in : a)chloroplast b) mitochondria c)nucleus d) ribosome

Answer 1

Ribosome and peroxydome

Answer 2

DNA is not present in d) ribosomes.

Explanation:

Ribosomes are small double bead like structures that exist freely in cytoplasm and are seen embed in the Rough endoplasmic reticulum. The ribosome is called as cell's protein factory as it is involved in synthesis of proteins required for the functioning of the body.  

Ribosome is comprised of two sub units called larger sub unit and smaller sub unit. It lacks DNA because it contains RNA and protein.