(a) biodiversity in the area
(b) monoculture in the area
(c) growth of natural forest
(d) preserves the natural ecosystem in the area
Correct option – ( b )
Explanation – monoculture is the practice in which a single crop or plant farming in the field is done at a time . It increases the planting efficiency , managing and harvesting . But at the same time it increases the risk of diseases .