1. What is the primary source of energy for most animals?
A) Carbohydrates
B) Proteins
C) Lipids
D) Vitamins
Answer: A) Carbohydrates
2. Which nutrient is essential for building and repairing body tissues in animals?
A) Carbohydrates
B) Proteins
C) Fats
D) Minerals
Answer: B) Proteins
3. What is the function of lipids in animal nutrition?
A) Providing quick energy
B) Building muscle tissues
C) Insulating the body
D) Regulating body temperature
Answer: C) Insulating the body
4. Which vitamin is crucial for calcium absorption in animals?
A) Vitamin A
B) Vitamin D
C) Vitamin E
D) Vitamin K
Answer: B) Vitamin D
5. What is the role of water in animal nutrition?
A) Providing energy
B) Regulating body temperature
C) Building tissues
D) Enhancing vision
Answer: B) Regulating body temperature
6. Which mineral is essential for the formation of hemoglobin in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: A) Iron
7. In herbivorous animals, what is the primary source of protein?
A) Plants
B) Insects
C) Other animals
D) Fungi
Answer: A) Plants
8. Which of the following is NOT a factor influencing animal nutritional ecology?
A) Climate
B) Predator-prey interactions
C) Habitat loss
D) Geological features
Answer: D) Geological features
9. What is the primary function of vitamins in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Insulating the body
Answer: B) Regulating metabolic processes
10. Which nutrient is essential for the proper functioning of the nervous system in animals?
A) Carbohydrates
B) Proteins
C) Fats
D) Minerals
Answer: D) Minerals
11. What is the primary role of carbohydrates in animal nutrition?
A) Building muscle tissues
B) Providing quick energy
C) Regulating body temperature
D) Insulating the body
Answer: B) Providing quick energy
12. Which nutrient deficiency can lead to osteoporosis in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: B) Calcium
13. Which type of animals are known as omnivores?
A) Animals that eat only plants
B) Animals that eat only other animals
C) Animals that eat both plants and other animals
D) Animals that eat fungi
Answer: C) Animals that eat both plants and other animals
14. What is the function of antioxidants in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Preventing cellular damage
D) Building muscle tissues
Answer: C) Preventing cellular damage
15. Which nutrient is essential for the formation of strong bones and teeth in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: B) Calcium
16. Which of the following is NOT a fat-soluble vitamin?
A) Vitamin A
B) Vitamin D
C) Vitamin C
D) Vitamin E
Answer: C) Vitamin C
17. What is the primary function of minerals in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Enhancing vision
Answer: B) Regulating metabolic processes
18. In which part of the digestive system are nutrients absorbed into the bloodstream?
A) Stomach
B) Small intestine
C) Large intestine
D) Esophagus
Answer: B) Small intestine
19. Which nutrient deficiency can lead to anemia in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: A) Iron
20. What is the primary function of proteins in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Insulating the body
Answer: C) Building muscle tissues
21. Which nutrient deficiency can lead to rickets in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: B) Calcium
22. What is the role of fiber in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Enhancing digestion
D) Building muscle tissues
Answer: C) Enhancing digestion
23. Which nutrient deficiency can lead to goiter in animals?
A) Iron
B) Calcium
C) Iodine
D) Zinc
Answer: C) Iodine
24. Which vitamin is crucial for proper blood clotting in animals?
A) Vitamin A
B) Vitamin D
C) Vitamin K
D) Vitamin E
Answer: C) Vitamin K
25. What is the primary function of carbohydrates in animal nutrition?
A) Building muscle tissues
B) Providing quick energy
C) Regulating metabolic processes
D) Insulating the body
Answer: B) Providing quick energy
26. In which part of the digestive system are nutrients broken down into smaller molecules?
A) Stomach
B) Small intestine
C) Large intestine
D) Esophagus
Answer: A) Stomach
27. Which mineral is essential for muscle contraction in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: D) Potassium
28. What is the primary function of fats in animal nutrition?
A) Providing quick energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Insulating the body
Answer: A) Providing quick energy
29. Which nutrient is essential for the formation of red blood cells in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: A) Iron
30. What is the role of enzymes in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Enhancing digestion
D) Building muscle tissues
Answer: C) Enhancing digestion
31. Which vitamin is crucial for proper vision in animals?
A) Vitamin A
B) Vitamin D
C) Vitamin E
D) Vitamin K
Answer: A) Vitamin A
32. In which part of the digestive system are nutrients absorbed into the bloodstream?
A) Stomach
B) Small intestine
C) Large intestine
D) Esophagus
Answer: B) Small intestine
33. Which nutrient is essential for the proper functioning of the immune system in animals?
A) Iron
B) Calcium
C) Vitamin C
D) Potassium
Answer: C) Vitamin C
34. What is the primary function of minerals in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Enhancing vision
Answer: B) Regulating metabolic processes
35. Which of the following is NOT a water-soluble vitamin?
A) Vitamin A
B) Vitamin C
C) Vitamin B
D) Vitamin K
Answer: A) Vitamin A
36. What is the role of fiber in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Enhancing digestion
D) Building muscle tissues
Answer: C) Enhancing digestion
37. Which nutrient is essential for the proper functioning of the nervous system in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: D) Potassium
38. What is the primary function of proteins in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Insulating the body
Answer: C) Building muscle tissues
39. Which nutrient deficiency can lead to scurvy in animals?
A) Iron
B) Calcium
C) Vitamin C
D) Potassium
Answer: C) Vitamin C
40. What is the role of antioxidants in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Preventing cellular damage
D) Building muscle tissues
Answer: C) Preventing cellular damage
41. Which nutrient is essential for the formation of strong bones and teeth in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: B) Calcium
42. What is the primary function of carbohydrates in animal nutrition?
A) Building muscle tissues
B) Providing quick energy
C) Regulating body temperature
D) Insulating the body
Answer: B) Providing quick energy
43. Which nutrient deficiency can lead to anemia in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: A) Iron
44. What is the role of vitamins in animal nutrition?
A) Providing energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Enhancing vision
Answer: B) Regulating metabolic processes
45. Which type of animals are known as herbivores?
A) Animals that eat only plants
B) Animals that eat only other animals
C) Animals that eat both plants and other animals
D) Animals that eat fungi
Answer: A) Animals that eat only plants
46. Which nutrient is essential for the formation of hemoglobin in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: A) Iron
47. What is the primary function of fats in animal nutrition?
A) Providing quick energy
B) Regulating metabolic processes
C) Building muscle tissues
D) Insulating the body
Answer: A) Providing quick energy
48. Which nutrient deficiency can lead to osteoporosis in animals?
A) Iron
B) Calcium
C) Sodium
D) Potassium
Answer: B) Calcium
49. What is the role of water in animal nutrition?
A) Providing energy
B) Regulating body temperature
C) Building tissues
D) Enhancing vision
Answer: B) Regulating body temperature
50. Which vitamin is crucial for calcium absorption in animals?
A) Vitamin A
B) Vitamin D
C) Vitamin E
D) Vitamin K
Answer: B) Vitamin D