Match the following:
List-1: List-2:A Nitrogen oxides I Oxygen transportB Carbon monoxide II BiomagnificationC Carbon dioxide III Photochemical smogD Industrial effluents IV Global warming V Increase of BOD
In the following group of plants, sporophytes are dependent on gametophytes.
Given is the schematic structure of the transcription unit. Select the correct answer regarding A, B, C, and D: