Poultry Science MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. Which species is most commonly used in commercial poultry production? (A) Duck (B) Quail (C) Chicken (D) Turkey 2. The scientific name of the domestic chicken is: (A) Anas platyrhynchos (B) Gallus gallus domesticus (C) Meleagris gallopavo (D) Coturnix coturnix japonica 3. Broilers are primarily raised for: (A) Egg production (B) Feather production (C) Meat production (D) Breeding purposes 4. Layers are specialized for: (A) Meat production (B) Egg production (C) Dual-purpose (D) Feather production 5. The average incubation period for chicken eggs is: (A) 18 days (B) 21 days (C) 28 days (D) 30 days 6. The primary source of protein in poultry feed is: (A) Corn (B) Soybean meal (C) Wheat bran (D) Rice husk 7. Which vitamin deficiency causes rickets in poultry? (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K 8. The term “candling” in poultry refers to: (A) Feeding technique (B) Checking egg fertility using light (C) Egg boiling (D) Hatchery disinfection 9. The ideal brooding temperature for day-old chicks is: (A) 28°C (B) 30°C (C) 32–35°C (D) 40°C 10. Marek’s disease in poultry is caused by: (A) Bacteria (B) Virus (C) Fungus (D) Parasite 11. The most common bedding material in poultry houses is: (A) Sawdust (B) Sand (C) Rice husk (D) Both A and C 12. Which breed is known as a dual-purpose chicken? (A) White Leghorn (B) Rhode Island Red (C) Cornish Cross (D) Broiler hybrids 13. Fowl pox is transmitted mainly by: (A) Direct contact (B) Mosquitoes (C) Water contamination (D) Airborne droplets 14. The yolk color in eggs is mainly influenced by: (A) Protein in diet (B) Xanthophyll pigments (C) Vitamin B12 (D) Calcium content 15. The most common method of debeaking is: (A) Laser trimming (B) Hot blade trimming (C) Chemical trimming (D) Cold cutting 16. Biosecurity in poultry farms aims to: (A) Reduce labor cost (B) Prevent disease entry and spread (C) Increase feed intake (D) Improve egg color 17. The normal body temperature of a chicken is: (A) 37°C (B) 39–41°C (C) 42°C (D) 35°C 18. Newcastle disease in poultry is caused by: (A) Paramyxovirus (B) Salmonella (C) Mycoplasma (D) E. coli 19. Which organ is responsible for grinding food in birds? (A) Crop (B) Proventriculus (C) Gizzard (D) Cloaca 20. The major energy source in poultry diets is: (A) Soybean meal (B) Corn/maize (C) Fish meal (D) Wheat bran 21. Pullets refer to: (A) Male chicks (B) Young hens before laying (C) Old layers (D) Broiler breeders 22. The average feed conversion ratio (FCR) of broilers is: (A) 1:1 (B) 1.5–2.0:1 (C) 3:1 (D) 4:1 23. The egg shell is primarily made of: (A) Phosphorus (B) Calcium carbonate (C) Magnesium (D) Protein 24. Which is a common external parasite in poultry? (A) Ascaridia galli (B) Coccidia (C) Mites (D) Salmonella 25. Lighting programs in layer houses mainly affect: (A) Feather color (B) Egg production and quality (C) Bone growth only (D) None of the above 26. Brooding period for chicks usually lasts: (A) 1 week (B) 2 weeks (C) 4–6 weeks (D) 8 weeks 27. The cloaca in poultry is used for: (A) Reproduction only (B) Digestion only (C) Urinary, digestive, and reproductive tracts (D) Eggshell formation 28. Infectious bursal disease (Gumboro) affects: (A) Liver (B) Bursa of Fabricius (C) Kidney (D) Lung 29. Which of the following is a Mediterranean breed of chicken? (A) White Leghorn (B) Rhode Island Red (C) Sussex (D) Plymouth Rock 30. Coccidiosis in poultry is caused by: (A) Virus (B) Protozoa (C) Bacteria (D) Helminths 31. The process of removing males from layer flocks is called: (A) Trimming (B) Sexing (C) Debeaking (D) Molting 32. The function of the crop in birds is: (A) Grinding feed (B) Storing and moistening feed (C) Egg shelling (D) Excreting waste 33. Salmonellosis in poultry can lead to: (A) Increased egg production (B) Foodborne illness in humans (C) Faster growth rate (D) Improved immunity 34. The term “spent hen” refers to: (A) Young chick (B) Old layer after laying cycle (C) Rooster (D) Pullets 35. Which mineral is critical for eggshell formation? (A) Zinc (B) Iron (C) Calcium (D) Iodine 36. Deep litter system means: (A) Birds raised on wire cages (B) Birds kept on litter material on floor (C) Birds in open fields (D) Birds in isolated pens 37. The average laying cycle of commercial layers is: (A) 20 weeks (B) 52–72 weeks (C) 10 weeks (D) 100 weeks 38. Artificial insemination is mainly practiced in: (A) Broiler production (B) Commercial layers (C) Turkey breeding (D) Quail rearing 39. Molting in poultry refers to: (A) Weight gain (B) Feather shedding and renewal (C) Eggshell formation (D) Beak trimming 40. The major cause of wet litter in poultry is: (A) High protein diet (B) Poor ventilation and excessive water spillage (C) Lack of calcium (D) Short lighting period 41. Avian influenza is also known as: (A) Newcastle disease (B) Bird flu (C) Fowl cholera (D) Duck plague 42. The best relative humidity for incubation is: (A) 30–35% (B) 50–55% (C) 60–70% (D) 80–90% 43. The primary function of the shell membrane is to: (A) Provide calcium (B) Prevent microbial entry (C) Increase egg weight (D) Color the yolk 44. Which vaccine is commonly given at day-old to chicks? (A) Marek’s vaccine (B) Fowl pox vaccine (C) Coccidiosis vaccine (D) Salmonella vaccine 45. The term “broiler breeder” refers to: (A) A meat-producing chicken (B) A parent flock for broiler production (C) A hybrid layer (D) None of the above 46. Which type of light stimulates egg production in layers? (A) Blue light (B) Red light (C) Green light (D) UV light 47. The air cell in an egg forms at: (A) Yolk surface (B) Albumen layer (C) Wide end of egg (D) Pointed end of egg 48. The keel bone in birds is associated with: (A) Wing strength (B) Breast muscle attachment (C) Egg formation (D) Beak trimming 49. Brooding is terminated when: (A) Chicks reach 2 weeks (B) Birds maintain body temperature without heat source (C) Egg laying starts (D) Feed conversion ratio stabilizes 50. Which is a sign of good poultry health? (A) Drooping wings (B) Bright eyes and active movement (C) Lameness (D) Wet litter