Pesticide group which goes into the system of host and kills pest without harming host is called_________________?

Related Mcqs:

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

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

2. It is a substance added to a pesticide to impure the qualities of pesticide formulation is called_________________?

   A. Adjuvant
   B. Synergism
   C. Activator
   D. Agitation

3. The pesticide does not allow larval insect pest to moult further is called_________________?

   A. Insect growth regular
   B. Fumigants
   C. Sterilant
   D. Protectant

4. 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

5. A dose of a toxicant that kills 50% of the exposed organism is called_________________?

   A. LC₅₀
   B. LD₅₀
   C. None of the Above
   D. LD₇₅

6. The concentration of a toxicant that kills 50% of the exposed organism is called_________________?

   A. LC₅₀
   B. LD₅₀
   C. None of the Above
   D. LD₇₅

7. 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

8. 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

9. 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

10. The mixing of pesticide through agitator to prevent it form separating in the sprayer tarik is called_________________?

    A. Activator
    B. Synergism
    C. Adjuvant
    D. Agitation