The chloroplast and chromoplast considered the living components of plant cell because of their respective functions. The chloroplast is used for photosynthesis while the chromoplasts are responsible for the distinctive pigment in plants.
Whereas the crystals, starch grains and aleuronic grains consider non-living components because they do not carry such functions. The starch granules store some of the food made during photosynthesis.
A, only really logical answer
Answer : A prophange is the result when viral DNA has inserted itself into the bacterial DNA.
The correct answer is option C, that is, the Operons afford the organism the opportunity to simultaneously monitor the transcription of multiple genes, whose products are active in the same process.
The genes, which correspond to a particular metabolic procedure are usually under the control of a single promoter in a bacteria. This is known as Operon that assists in monitoring the expression of genes taking part in the similar metabolic procedure.