Which type of pesticide is specifically designed to kill weeds?

The correct answer is herbicides because they are specifically formulated to target and eliminate unwanted plants, commonly known as weeds. Herbicides work by inhibiting the growth processes of these plants, which could include disrupting photosynthesis, nutrient absorption, or seed germination. This targeted approach allows for effective weed management in agricultural and landscape settings without harming desirable crops or vegetation, which is a primary advantage of using herbicides.

In contrast, insecticides are designed to control insect pests, fungicides target fungal pathogens, and nematicides are used to control nematodes, which are microscopic worms that can cause damage to plant roots. Each type of pesticide serves a distinct purpose in pest management, making it essential to choose the right one for specific challenges.