Zinc phosphide is____________________?
A. Rodenticide
B. Pesticide
C. Insecticide
D. Weedicide
Entomology
The control of pest by human controlling activities and law is called____________________?
The control of pest by human controlling activities and law is called____________________?
A. Regularity method
B. Chemical method
C. genetic method
D. Physical method
Use of living organism to bring down the pest population to sub economic level is called____________________?
Use of living organism to bring down the pest population to sub economic level is called____________________?
A. Biological control
B. Cultural control
C. Physical control
D. Natural control
Reduction in pest population by the utilization of agricultural practices to make the environment unfavorable for pest is called__________________?
Reduction in pest population by the utilization of agricultural practices to make the environment unfavorable for pest is called__________________?
A. Natural control
B. Mechanical control
C. Physical control
D. Cultural control
The collective action of environmental factors that maintain numbers of pest population with in certain limit over a time is called_______________?
The collective action of environmental factors that maintain numbers of pest population with in certain limit over a time is called_______________?
A. Artificial control
B. Natural control
C. Cultural control
D. Physical control
When damage cause by insect pest is slight such pest is referred as___________________?
When damage cause by insect pest is slight such pest is referred as___________________?
A. Major pest
B. Minor pest
C. Key pest
D. Migrant pest
An insect pest normally present at some time during the growing season that causes the economic damage to a crop is called ?
An insect pest normally present at some time during the growing season that causes the economic damage to a crop is called ?
A. Key pest
B. Secondary pest
C. Occasional pest
D. Migrant pest
The pest which causes no significant damage but due to unjudious use of chemical they cause significant loss is called ?
The pest which causes no significant damage but due to unjudious use of chemical they cause significant loss is called ?
A. Secondary pest
B. Key pest
C. Occasional pest
D. Migrant pest
The lowest pest population that will cause economic damage is called ___________________?
The lowest pest population that will cause economic damage is called ___________________?
A. Economic injury level
B. Economic threshold level
C. Economic damage
D. None of the Above
The pest which damages the crop and causes a loss in quality or quantity which can be calculated such pest is called_______________?
The pest which damages the crop and causes a loss in quality or quantity which can be calculated such pest is called_______________?
A. Insect pest
B. Pest
C. Economic pest
D. Sub economic pest