A. Adjuvant
B. Adhesive
C. Carrier
D. Agitation
0
Toxicant refers to a________________?
0
The concentration of a toxicant that kills 50% of the exposed organism is called_________________?
A. Poison
B. Poisonous material
C. None of the Above
D. Both of them
0
The quality a of a pesticide to remain as an effective residue because of its low volatility and chemical stability is termed as__________________?
A. LC50
B. LD50
C. None of the Above
D. LD75
0
The width of the area treated in one pass by a sprayer or other applicator is called___________________?
A. Persistence
B. Aerosol
C. Defoliant
D. Desiccant
0
Pheromone used against fruity fly is___________________?
A. Drift
B. Swath
C. Aerosol
D. Toxin
1
What KD50____________________?
A. Dichlorvos
B. Malathion
C. Carbofuron
D. Mancoze
0
The body of an insect is covered by a protective __________________ formed from chitin and protein. Depending upon its precise composition and thickness, the cuticle may be soft and flexible or hard and rigid; according to requirements, it may or may not be permeable or waterproof:
A. Medium knock down
B. Highly knock down
C. Low knock down
D. None of above
0
The insect head is essentially a capsule which encloses the brain and bears the usually external (ectognathous) mouthparts, the eyes and a pair of sensory antennae. The mouth part comprise basic sections as:
A. three-layered skin (cuticle)
B. Two-layered skin (cuticle)
C. Six- layered skin (cuticle)
D. None of the above
Submitted by: Shafiq Rehman
0
Main kind of insect pests are___________________?
A. An ‘upper lip’ (labrum), lower (ventral) surface of which forms the epipharynx
B. a tongue-like hypopharynx; the jaws (mandibles)
C. The paired maxillae and a ‘lower lip’ (labium).
D. All of these
Submitted by: Shafiq Rehman
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