A. Causes moulting
B. Larval organism is to be made after moulting
C. Maintains immature forms during larval moults
D. 2nd and 3rd both
Related Mcqs:
- Which hormone cause moulting in insect_________________?
A. Ecdysone
B. Juvenile
C. Activation hormone
D. None of the above - House has antennae_____________________?
A. Aristate
B. Stylate
C. Ensiform
D. Capitate - The dorsal sclerotized region of insect body is called__________________?
A. Tergum
B. Pleuron
C. Sternum
D. None of the above - 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 - All the practices used to control the pest population with in certain limit are called_________________?
A. Artificial control
B. Natural control
C. Cultural control
D. Chemical control - Chemical added to pesticide to increase its activity is called________________?
A. Activator
B. Agitation
C. Adjuvant
D. Synergism - Dragonfly and damselfly have type of legs_________________?
A. Fossorial
B. Metatorial
C. Raptorial
D. Basket like - 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 - 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 - The width of the area treated in one pass by a sprayer or other applicator is called___________________?
A. Drift
B. Swath
C. Aerosol
D. Toxin
