The process of removing unwanted plants from a crop field is called :

(a) breeding (b) weeding (c) transplanting (d) harvesting

(b) weeding
The unwanted plants which grow along with a cultivated crop are called weed. The type of weed vary from field to field,crop to crop,season to season. For Ex:Wild oat,grass, Amaranthus, chenopodium etc. The process of removing weeds from a crop field is called weeding.