Answer:
D) They are unrelated to plastid
Explanation:
Chloroplasts -
It is one of the organelles present in the plant cell , which is responsible for the process of photosynthesis .
The structure of a chloroplast , has two membranes one outer membrane and one inner membrane . The composition of chloroplast have stack of thylakoids , which are responsible for the photosynthesis .
This organelle is also called a plastid .
Hence , the incorrect statement is ( d ) .