Fire flies are________________?
Fire flies are________________?
A. Flies
B. Beetles
C. Fleas
D. Wasps
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Reduction in pest population by the utilization of agricultural practices to make the environment unfavorable for pest is called__________________?
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 controlAn insect pest normally present at some time during the growing season that causes the economic damage to a crop is called ?
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 pestPhotogenic organ are present in____________________?
Photogenic organ are present in____________________?A. Flies
B. Fire flies
C. Wasps
D. Honey beeThe long axis of head is horizontal and in line with insect body, mouth parts directed forward is type of head_______________?
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 thosynchousCypermethrin, deltamerthrin, permethrin are example of__________________?
Cypermethrin, deltamerthrin, permethrin are example of__________________?A. Organophosphrous
B. Pyrethroids
C. Organochlorine
D. CarbamateThe haring organs in grasshopper_________________?
The haring organs in grasshopper_________________?A. Johnston’s organ
B. Tympanal organ
C. Chorodotonal organ
D. None of the above