The rapid reappearance of the pest population in injurious number is called_________________?

Related Mcqs:

Examples of poly phagous insect is__________________?

A. Helicoverpa armigera B. Ants C. Green lacewing D. Pink bollworm...

When some cultivars are resistance and some cultivars are susceptible, when they are infested with same insect biotype such type of resistance is called___________________?

A. General resistance B. Specific resistance C. Cross resistance D. Horizontal resistance...

What colour show extremely hazard to human being_________________?

A. Red B. Blue C. Yellow D. Brown...

Royal Jelly made up of__________________?

A. Pollen and water B. Pollen, water, nectar C. Pollen and nectar D. Pollen, Water, Nectar...

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

A. Systemic B. Contact C. Selective D. Protect ant...