Find the odd one out from the given alternatives.

Appeared in: NHM MP Staff Nurse-2022

Explanation

The question requires identifying the option that does not belong to the same group as the others.
The basis for classification among the given options is the gender of the animals.
A 'Mare' is an adult female horse.
The other three options—Rooster, Stag, and Gander—are all names for male animals, making 'Mare' the odd one out.

Option B: A 'Rooster' is an adult male chicken. It fits the common pattern of male animals in the list.
Option C: A 'Stag' is an adult male deer. It fits the common pattern of male animals in the list.
Option D: A 'Gander' is a male goose. It fits the common pattern of male animals in the list.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Reasoning: Odd One Out (Classification by Gender) as background academic context rather than a clinical decision trigger.
While not a clinical question, logical reasoning is a component of the General Intelligence section in many nursing entrance and recruitment exams.
These questions assess a candidate's ability to think critically, identify patterns, and make logical deductions—skills that are transferable to clinical problem-solving and decision-making.
What if? If the option 'Stag' were replaced with 'Doe' (a female deer), the classification would likely shift from gender to animal class. In that case, 'Rooster' and 'Gander' (birds) would be in one group, while 'Mare' and 'Doe' (mammals) would be in another, making the question ambiguous without further context.

How to Approach the Question

First, read the question to understand the task: find the 'odd one out' from the given alternatives.
Examine each option individually: Mare, Rooster, Stag, and Gander.
Try to identify a common characteristic or category that links most of the options. Consider categories like animal type (mammal, bird), habitat, diet, or gender.
Determine the specific meaning of each term. A Mare is a female horse, a Rooster is a male chicken, a Stag is a male deer, and a Gander is a male goose.
Notice the pattern: three of the options (Rooster, Stag, Gander) refer to male animals.
Identify the option that does not fit this pattern. 'Mare' refers to a female animal.

Concept Tested & Keywords

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Practise the full NHM MP Staff Nurse-2022

Attempt every question from this paper in a timed mock, then review the full solution for each one.