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Nutrition & Dietetics Solved Question Bank & Study Guide (2026) - Apex Rankers

Category: Nutrition & Dietetics

200 Total Solved Questions
~300 mins Estimated Reading Time
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Nutrition & Dietetics

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Q. 1 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
What is the physiological energy yield (Atwater factor) for carbohydrates, proteins, and fats per gram respectively?
A
4 kcal/g, 4 kcal/g, 9 kcal/g
✓ Correct
B
4 kcal/g, 9 kcal/g, 4 kcal/g
C
9 kcal/g, 4 kcal/g, 4 kcal/g
D
7 kcal/g, 4 kcal/g, 9 kcal/g
💡 Step-by-Step Explanation & Concept Rationale
Atwater physiological values: Carbohydrates yield 4 kcal/g, Proteins yield 4 kcal/g, Fats yield 9 kcal/g, and Alcohol yields 7 kcal/g.
Q. 2 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
Deficiency of Vitamin C (Ascorbic acid) leads to which classic nutritional deficiency disease?
A
Rickets
B
Scurvy
✓ Correct
C
Pellagra
D
Beri-beri
💡 Step-by-Step Explanation & Concept Rationale
Vitamin C is essential for collagen synthesis; deficiency causes scurvy characterized by bleeding gums, skin hemorrhages, and impaired wound healing.
Q. 3 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
Night blindness and xerophthalmia are clinical manifestations of the deficiency of which fat-soluble vitamin?
A
Vitamin E
B
Vitamin D
C
Vitamin A (Retinol)
✓ Correct
D
Vitamin K
💡 Step-by-Step Explanation & Concept Rationale
Vitamin A is necessary for the synthesis of rhodopsin in retinal rods; its deficiency causes nyctalopia (night blindness) and dry conjunctiva.
Q. 4 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
Which mineral is an essential constituent of the thyroid hormones triiodothyronine (T3) and thyroxine (T4)?
A
Magnesium
B
Iron
C
Zinc
D
Iodine
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Iodine is essential for thyroid hormone biosynthesis; its deficiency results in endemic goiter and cretinism.
Q. 5 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
Which of the following is considered an essential amino acid that cannot be synthesized endogenously by the human body?
A
Lysine
✓ Correct
B
Alanine
C
Glutamic acid
D
Glycine
💡 Step-by-Step Explanation & Concept Rationale
Lysine, Leucine, Isoleucine, Valine, Threonine, Methionine, Phenylalanine, Tryptophan, and Histidine are the 9 essential amino acids.
Q. 6 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #6: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Starch
B
Glycogen
✓ Correct
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 7 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #7: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Cellulose
B
Starch
C
Glycogen
✓ Correct
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 8 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #8: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Dextrin
B
Starch
C
Cellulose
D
Glycogen
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 9 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #9: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Glycogen
✓ Correct
B
Starch
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 10 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #10: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Starch
B
Glycogen
✓ Correct
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 11 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #11: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Cellulose
B
Starch
C
Glycogen
✓ Correct
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 12 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #12: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Dextrin
B
Starch
C
Cellulose
D
Glycogen
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 13 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #13: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Glycogen
✓ Correct
B
Starch
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 14 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #14: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Starch
B
Glycogen
✓ Correct
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 15 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #15: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Cellulose
B
Starch
C
Glycogen
✓ Correct
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 16 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #16: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Dextrin
B
Starch
C
Cellulose
D
Glycogen
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 17 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #17: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Glycogen
✓ Correct
B
Starch
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 18 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #18: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Starch
B
Glycogen
✓ Correct
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 19 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #19: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Cellulose
B
Starch
C
Glycogen
✓ Correct
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 20 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #20: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Dextrin
B
Starch
C
Cellulose
D
Glycogen
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 21 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #21: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Glycogen
✓ Correct
B
Starch
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 22 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #22: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Starch
B
Glycogen
✓ Correct
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 23 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #23: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Cellulose
B
Starch
C
Glycogen
✓ Correct
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 24 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #24: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Dextrin
B
Starch
C
Cellulose
D
Glycogen
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
Q. 25 Nutrition & Dietetics
Difficulty: EASY (1 Mark)
In nutritional biochemistry #25: What is the primary storage polysaccharide of glucose in the human liver and skeletal muscle?
A
Glycogen
✓ Correct
B
Starch
C
Cellulose
D
Dextrin
💡 Step-by-Step Explanation & Concept Rationale
Glycogen is a branched polymer of glucose serving as the primary short-term energy reserve in animals.
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