⭐S0LUTION MANUAL FOR ISSA Nutrition
Quiz Exam 2025_2026 _ International
Sports Sciences Association Nutrition
Specialist Quiz with Newest Questions &
Verified
⭐ ISSA Nutrition Specialist Practice Quiz
()
1. Which macronutrient provides the most energy per gram?
A. Protein
B. Carbohydrates
C. Fat
D. Alcohol
Correct Answer: C
Rationale: Fat provides 9 kcal/g, whereas protein and carbohydrates provide 4 kcal/g.
2. What is the primary role of protein in the body?
A. Main source of immediate energy
B. Building and repairing tissues
C. Storing vitamins
D. Providing insulation
Correct Answer: B
Rationale: Proteins are essential for tissue growth, repair, enzymes, and hormones.
,3. Which micronutrient is essential for oxygen transport in red blood cells?
A. Calcium
B. Iron
C. Vitamin D
D. Magnesium
Correct Answer: B
Rationale: Iron is a key component of hemoglobin for oxygen transport.
4. For an endurance athlete, which nutrient is most important before
training?
A. High-fat meal
B. High-protein snack
C. Carbohydrate-rich meal
D. Water only
Correct Answer: C
Rationale: Carbohydrates provide readily available energy for endurance performance.
5. What is the main function of fiber in the diet?
A. Provide energy
B. Aid digestion and support gut health
C. Build muscle
D. Store fat
Correct Answer: B
Rationale: Fiber promotes digestive health and regulates bowel movements.
6. Which vitamin is fat-soluble?
A. Vitamin C
B. Vitamin B12
C. Vitamin A
D. Folate
,Correct Answer: C
Rationale: Vitamins A, D, E, and K are fat-soluble.
7. Which macronutrient is critical for muscle repair after exercise?
A. Carbohydrates
B. Protein
C. Fat
D. Fiber
Correct Answer: B
Rationale: Protein provides amino acids necessary for muscle recovery.
8. What is the recommended daily water intake for an average adult?
A. 1–1.5 liters
B. 2–3 liters
C. 4–5 liters
D. 500 ml
Correct Answer: B
Rationale: The general recommendation is 2–3 liters of water daily.
9. Which food is a complete protein source?
A. Rice
B. Lentils
C. Chicken breast
D. Almonds
Correct Answer: C
Rationale: Animal proteins contain all essential amino acids.
10. Which is an example of a simple carbohydrate?
A. Whole wheat bread
B. Apple
, C. White sugar
D. Lentils
Correct Answer: C
Rationale: Simple carbohydrates, like sugar, are digested quickly for rapid energy.
11. Which fatty acid is considered essential?
A. Oleic acid
B. Linoleic acid
C. Palmitic acid
D. Stearic acid
Correct Answer: B
Rationale: Linoleic acid (omega-6) and alpha-linolenic acid (omega-3) are essential fatty acids.
12. Which nutrient deficiency can cause scurvy?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Calcium
Correct Answer: B
Rationale: Vitamin C deficiency leads to scurvy, affecting collagen synthesis.
13. Which mineral is important for bone health?
A. Sodium
B. Iron
C. Calcium
D. Potassium
Correct Answer: C
Rationale: Calcium is essential for strong bones and teeth.
14. Glycogen is stored primarily in the:
Quiz Exam 2025_2026 _ International
Sports Sciences Association Nutrition
Specialist Quiz with Newest Questions &
Verified
⭐ ISSA Nutrition Specialist Practice Quiz
()
1. Which macronutrient provides the most energy per gram?
A. Protein
B. Carbohydrates
C. Fat
D. Alcohol
Correct Answer: C
Rationale: Fat provides 9 kcal/g, whereas protein and carbohydrates provide 4 kcal/g.
2. What is the primary role of protein in the body?
A. Main source of immediate energy
B. Building and repairing tissues
C. Storing vitamins
D. Providing insulation
Correct Answer: B
Rationale: Proteins are essential for tissue growth, repair, enzymes, and hormones.
,3. Which micronutrient is essential for oxygen transport in red blood cells?
A. Calcium
B. Iron
C. Vitamin D
D. Magnesium
Correct Answer: B
Rationale: Iron is a key component of hemoglobin for oxygen transport.
4. For an endurance athlete, which nutrient is most important before
training?
A. High-fat meal
B. High-protein snack
C. Carbohydrate-rich meal
D. Water only
Correct Answer: C
Rationale: Carbohydrates provide readily available energy for endurance performance.
5. What is the main function of fiber in the diet?
A. Provide energy
B. Aid digestion and support gut health
C. Build muscle
D. Store fat
Correct Answer: B
Rationale: Fiber promotes digestive health and regulates bowel movements.
6. Which vitamin is fat-soluble?
A. Vitamin C
B. Vitamin B12
C. Vitamin A
D. Folate
,Correct Answer: C
Rationale: Vitamins A, D, E, and K are fat-soluble.
7. Which macronutrient is critical for muscle repair after exercise?
A. Carbohydrates
B. Protein
C. Fat
D. Fiber
Correct Answer: B
Rationale: Protein provides amino acids necessary for muscle recovery.
8. What is the recommended daily water intake for an average adult?
A. 1–1.5 liters
B. 2–3 liters
C. 4–5 liters
D. 500 ml
Correct Answer: B
Rationale: The general recommendation is 2–3 liters of water daily.
9. Which food is a complete protein source?
A. Rice
B. Lentils
C. Chicken breast
D. Almonds
Correct Answer: C
Rationale: Animal proteins contain all essential amino acids.
10. Which is an example of a simple carbohydrate?
A. Whole wheat bread
B. Apple
, C. White sugar
D. Lentils
Correct Answer: C
Rationale: Simple carbohydrates, like sugar, are digested quickly for rapid energy.
11. Which fatty acid is considered essential?
A. Oleic acid
B. Linoleic acid
C. Palmitic acid
D. Stearic acid
Correct Answer: B
Rationale: Linoleic acid (omega-6) and alpha-linolenic acid (omega-3) are essential fatty acids.
12. Which nutrient deficiency can cause scurvy?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Calcium
Correct Answer: B
Rationale: Vitamin C deficiency leads to scurvy, affecting collagen synthesis.
13. Which mineral is important for bone health?
A. Sodium
B. Iron
C. Calcium
D. Potassium
Correct Answer: C
Rationale: Calcium is essential for strong bones and teeth.
14. Glycogen is stored primarily in the:
