What are pesticides?

Question

Answer

Pesticides are chemicals sprays which are used for killing insects in a cultivated field.

Answer

Pesticides include herbicides for destroying weeds and other unwanted vegetation, insecticides for controlling a wide variety of insects, fungicides used to prevent the growth of molds and mildew, disinfectants for preventing the spread of bacteria, and compounds used to control mice and rats. ...

types of pests which they kill:

Insecticides - insects.

Herbicides - plants.

Rodenticides - rodents (rats and mice)

Bactericides - bacteria.

Fungicides - fungi.

Larvicides - larvae.

Answer

It's a type of chemical for killing the  insects in a field aur we can say in a agricultue!

Answer

What are Pesticides?

Pesticides are chemical substances used to control or eliminate pests. They are commonly used in agriculture to protect crops from insects, diseases, weeds, and other pests that can cause significant damage. Pesticides are also used in public health to control insects that can transmit diseases such as malaria, dengue, and Zika.

Types of Pesticides

There are several different types of pesticides, each designed to target specific pests. Some common types of pesticides include:

1. Insecticides: used to control insects, such as mosquitoes, flies, and beetles.
2. Herbicides: used to control weeds.
3. Fungicides: used to control fungal infections.
4. Rodenticides: used to control rodents, such as rats and mice.

Uses of Pesticides

Pesticides are widely used in agriculture to protect crops from pests and disease. They are also used in public health to control mosquitoes that spread diseases such as malaria and dengue. Pesticides are also used in homes and gardens to control pests such as ants, cockroaches, and termites.

Benefits of Pesticides

Pesticides provide several benefits, including:

1. Increased crop yields: by protecting crops from pests, pesticides can increase crop yields and improve food security.
2. Reduced disease transmission: pesticides can help control disease-carrying insects, reducing the transmission of diseases such as malaria and dengue.
3. Improved public health: by controlling pests in homes and public spaces, pesticides can help improve public health and prevent the spread of disease.

Risks of Pesticides

While pesticides provide several benefits, they also pose risks to human health and the environment. Some of the risks associated with pesticides include:

1. Health risks: exposure to pesticides can cause a range of health problems, including cancer, reproductive problems, and neurological damage.
2. Environmental risks: pesticides can contaminate soil, water, and air, harming wildlife and ecosystems.
3. Resistance: overuse of pesticides can lead to the development of resistant pests, making it harder to control them in the future.

Conclusion

Pesticides are widely used to control pests in agriculture, public health, and homes. While they provide several benefits, they also pose risks to human health and the environment. It is important to use pesticides responsibly and to explore alternative pest control methods whenever possible.

Answer

Pesticides are substances that are meant to control pests. The term pesticide includes all of the following: herbicide, insecticides nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insect repellent, animal repellent, antimicrobial, and fungicide

Similar Class 8 Doubts

The chemical substances rich in nutrients are called

Which among the following are pesticides?

What are pesticides

What are pesticides?

What are weediside and pesticide?

Top Courses for Class 8View all

Science Class 8

Mathematics (Maths) Class 8

Social Studies (SST) Class 8

English Class 8

Cursive Writing Course-Improve Your Handwriting

Top Courses for Class 8

Top Courses for Class 8

Suggested Free Tests

Related Content

Class 8 Study Material

Class 8 Subjects

Competitive Examinations for Class 8

NCERT Solutions

Reference Books for Class 8

Other Popular Exams

Company