A. Horizontal resistance
B. Vertical resistance
C. Specific resistance
D. Cross resistance
Related Mcqs:
- 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 - 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 - 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 - The spreading habit of the crop caused by insect which makes cultivation, weeding and harvesting more difficult is process of________________?
A. Haemospora
B. Fore casting
C. Surveillance
D. Pest scouting - 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 insect which Parasitizes one species of host is called__________________?
A. Obligated Parasite
B. Permanent Parasite
C. Transitory Parasite
D. Intermitted Parasite - The insect skeleton is composed of series of plates called__________________?
A. Sclerites
B. Conjunctivae
C. Sutures
D. Somites - The long axis of head is horizontal and in line with insect body, mouth parts directed forward is type of head_______________?
A. Prognathous
B. Hypognathous
C. Opisthognathous
D. Opis thosynchous
