Aridisols cover the largest in Pakistan_______? April 20, 2025 by admin A. 259,710 km2 B. 269,810 km2 C. 278,910 km2 D. None of these
Soil pores created by the animal such as earthworm and plant root are called_________? April 20, 2025 by admin A. Biopores B. Diameter C. Mesopores D. Microspores
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: April 20, 2025 by admin A. three-layered skin (cuticle) B. Two-layered skin (cuticle) C. Six- layered skin (cuticle) D. None of the above
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: April 20, 2025 by admin 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
All harvested crops remove plant nutrients from the soil. Whether used for _______________; the various crop products are often consumed far away from the production sites, some times thousands of kilometers away in another country. April 20, 2025 by admin A. Food B. Feed C. industrial raw materials D. All of these
Main kind of insect pests are___________________? April 20, 2025 by admin A. Major pest & Minor pest B. Migrant pest & potential pest C. both A & B D. None of the above
Desert locust is__________________? April 20, 2025 by admin A. Key pest B. Potential pest C. Occasional pest D. None of the above
Acidlime is commercially propagated by________? April 20, 2025 by admin A. Grafting B. Seed C. Cutting D. All of the above
Training’ includes which one of the following operations? April 20, 2025 by admin A. Only supporting B. Only propping C. Only tying D. All of the above
Cotton bollworms, sugarcane borers are_____________? April 20, 2025 by admin A. Key pest B. Secondary pest C. Major pest D. I do not agree with above statement