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Agriculture Mcqs 7387 MCQs [All-Courses]

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Agriculture MCQs cover fundamental and applied concepts related to farming, crop production, soil science, irrigation, fertilizers, plant breeding, pests, and agricultural economics. This topic is designed to strengthen conceptual understanding and problem-solving skills through objective questions. It is especially useful for competitive exams such as PPSC, FPSC, KPPSC, BPSC, NTS, OTS, and other testing services, helping candidates prepare with exam-oriented and up-to-date agricultural knowledge.

All Topics  7387

Desert locust is__________________?
A Key pest
B Potential pest
C Occasional pest
D None of the above
Correct Answer: None of the above
Main kind of insect pests are___________________?
A Major pest & Minor pest
B Migrant pest & potential pest
C both A & B
D None of the above
Correct Answer: both A & B
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 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
Correct Answer: All of these
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 three-layered skin (cuticle)
B Two-layered skin (cuticle)
C Six- layered skin (cuticle)
D None of the above
Correct Answer: three-layered skin (cuticle)
What KD50____________________?
A Medium knock down
B Highly knock down
C Low knock down
D None of above
Correct Answer: Medium knock down
Pheromone used against fruity fly is___________________?
A Dichlorvos
B Malathion
C Carbofuron
D Mancoze
Correct Answer: Malathion
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
Correct Answer: Swath
The quality a of a pesticide to remain as an effective residue because of its low volatility and chemical stability is termed as__________________?
A Persistence
B Aerosol
C Defoliant
D Desiccant
Correct Answer: Persistence
The concentration of a toxicant that kills 50% of the exposed organism is called_________________?
A LC50
B LD50
C None of the Above
D LD75
Correct Answer: LC50
Toxicant refers to a________________?
A Poison
B Poisonous material
C None of the Above
D Both of them
Correct Answer: Poison
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