46. Which of the following is a common dairy by-product used in the production of infant formula?
a) Milk
b) Cheese
c) Yogurt
d) Whey
Answer: d) Whey
47. Which of the following is a common poultry breed known for both meat and egg production?
a) Leghorn
b) Jersey
c) Brahman
d) Plymouth Rock
Answer: d) Plymouth Rock
48. Which of the following is a common freshwater fish used for aquaculture?
a) Tuna
b) Salmon
c) Tilapia
d) Mackerel
Answer: c) Tilapia
49. Which of the following is a common forest-based product used for making musical instruments?
a) Milk
b) Paper
c) Wood
d) Cotton
Answer: c) Wood
50. Which of the following is a common dairy farming practice to prevent disease transmission among cows?
a) Beekeeping
b) Artificial insemination
c) Vaccination
d) Crop rotation
Answer: c) Vaccination