The pest which damages the crop and causes a loss in quality or quantity which can be calculated such pest is called_______________?

Related Mcqs:

1. 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...

2. 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...

3. The pest population at which control measure should be taken to prevent the pest population to build up to reach economic injury level is called_________________?

   A. Economic threshold level B. Economic injury level C. Economic damage D. None of the Above...

4. 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...

5. 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...

6. 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...

7. The amount of pest induced injury to the crop which will justify the cost of artificial control measures is called________________?

   A. Economic damage B. Economic threshold C. Economic injury level D. None of the Above...

8. The use of all possible control strategies to manage pest population below economic injury level is called________________?

   A. IPM B. IPC C. Pest outbreak D. Pest resurgence...

9. The group of pesticide which makes pest unable to reproduce is called_________________?

   A. Sterilant B. Protectant C. Selective D. Fumigants...

10. Volatile chemical which exist in the gaseous state in sufficient concentration to be lethal for a given pest is called ?

    A. Fumigant B. Arsenicals pesticide C. Pyrethorid D. carbamate...