A. Immunity
B. Tolerance
C. Resistance
D. Plant resistance
Related Mcqs:
- A level of resistance show by a cultivar is similar against all insect biotype such type of resistance is___________________?
A. Cross resistance
B. Specific resistance
C. General resistance
D. Vertical resistance - A level of resistance show by a cultivar is similar against all insect biotype such type of resistance is__________________?
A. Cross resistance
B. Specific resistance
C. General resistance
D. Vertical resistance - A type of resistance in which a series of different cultivars of the same crop are infested with a series of different insect biotype of same species show no differentia intersction, such type of resistance is___________________?
A. Specific resistance
B. Horizontal resistance
C. General resistance
D. Cross resistance - 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 - The phenomenon off insect resistance to one type of insecticide providing resistance to other insecticides with similar mode of action__________________?
A. Cross resistance
B. Specific resistance
C. General resistance
D. Horizantal resistance - It is an organism which lives on or within another living organism is called_________________?
B. Parasite
C. Predator
D. Parasitoid
E. Scavengers - 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 - The ingredient of pesticide formulation responsible for toxic effect is called_________________?
A. Active ingredient
B. Insert ingredient
C. Dose
D. Pesticide - 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 - Insect that parasitic other insects are called_________________?
A. Entomophagous parasites
B. Zoophagous parasites
C. Phytophagous parasites
D. non of theses