Question

Answer the following questions.
1. What are weedicides used for?
2. Give another name for weedicides
3. Name two insecticides.
4. What are sulphur and copper salts used for in crop production?
5. What is zinc phosphide used for?
6. Name the method which makes use of another organism to kill a pest.
7. How is chaff separated from grains?
8. What are economically useful domesticated animals known as?​

Answer 1

Answer:

(1)- weedicides are used for removing weeds(unwanted shrubs) from the field

(2)- there are many types of weedicides like-

MCPA, 2-4D

(3)- DDT,Aldrin