Who is an odd man among us? Give reason.

DNA, Ribosomes, Chlorophyll

Chlorophyll

This is because Chlorophyll is a pigment that imparts a green color to plants. It is present inside plastids and is only found in plants and some algae where it performs photosynthesis. On the other hand, DNA and ribosomes are found in almost all organisms i. e. they are present in both plant and animal cells while Chlorophyll is absent in animal cells.