The correct option is B Plants - biotic, soil - abiotic
The components which are living in nature like plants and animals are called as biotic components.
The components which are non-living in nature are abiotic components, such as, air and soil.
Natural substances occur naturally in the environment or are sourced from nature. Examples are leaves, trees, wool, cotton, air, soil.
On the other hand, man-made substances are produced by the chemical processes. Examples are paints, synthetic fibres, plastics, etc.