Identify the odd one:

NORCET 6 Prelims -2024

Applied Nutrition & Dietetics

Medium

Appeared in: NORCET 6 Prelims -2024

Explanation

Oil is the correct answer as it is primarily derived from plant sources (like seeds, fruits, or nuts) and is not a dairy product.
The other three options—Cream, Butter, and Ghee—are all dairy products, meaning they originate from milk fat.
The key differentiator is the source material: milk for the dairy group versus plants for oil.

Option A: Cream is incorrect because it is the high-fat layer skimmed from milk. It is the raw material for butter and ghee, placing it firmly in the dairy products group with the others.
Option B: Butter is incorrect because it is made by churning cream, which is derived from milk. It is a classic dairy product, similar to cream and ghee in origin.
Option C: Ghee is incorrect because it is a form of clarified butter, produced by simmering butter to remove water and milk solids. Its origin is milk fat, making it a dairy product.

Visual 1: Infographic - A flowchart showing the progression from Milk → Cream → Butter → Ghee, with a separate branch showing Plants → Seeds/Fruits → Oil. This visually separates the dairy pathway from the plant-based oil pathway.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of food items based on their source, specifically differentiating between dairy and non-dairy fats as background academic context rather than a clinical decision trigger.
Understanding the difference between these fats is crucial for patient dietary counseling, especially for those with lactose intolerance, milk allergies, or specific cardiovascular dietary restrictions (e.g., managing saturated vs. unsaturated fat intake).
A nurse needs to know if a patient's 'dairy-free' diet can include ghee. While ghee has negligible lactose and casein, patients with a strict milk allergy should still avoid it. This distinction is clinically important.
What if? If a patient has hypercholesterolemia, the nurse would advise limiting butter and ghee (high in saturated fat) and recommend using plant-based oils like olive or canola oil (high in unsaturated fats) instead.

How to Approach the Question

Step 1: Analyze the four options provided: Cream, Butter, Ghee, and Oil.
Step 2: Look for a common characteristic or category that links most of the options. Observe that Cream, Butter, and Ghee are all related to milk.
Step 3: Define the relationship between the related items. Cream is a milk product, butter is made from cream, and ghee is made from butter. They are all dairy fats.
Step 4: Evaluate the remaining option, 'Oil'. Consider its source. Oils are typically extracted from plants (e.g., sunflower, olive, coconut) and are not derived from milk.
Step 5: Conclude that 'Oil' does not fit the 'dairy product' category, making it the odd one out.

Concept Tested & Keywords

Concept Tested: Classification of food items based on their source, specifically differentiating between dairy and non-dairy fats.
Stem keywords: Identify, odd one
Lead-in keywords: odd one
Negative lead-in flag: false

QreAatE6bOOVBwEv41cM_d