Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair

Options

A. Sternum and Ribs Axial skeletal
B. Clavicle & Glenoid cavity Pelvic girdle
C. Humerus and ulna Appendicular skeleton
D. Malleus and stapes Ear ossicles

Answer

To identify the non-matching pair of human skeletal parts with their respective inclusive skeletal category, we can follow these steps:

### Step 1: Analyze Each Pair
We need to analyze each of the given pairs and determine if they are correctly matched with their respective skeletal categories.

1. **Sternum and Ribs - Axial Skeleton**
- The sternum and ribs are indeed part of the thoracic cage, which is a component of the axial skeleton. This pair is correctly matched.

2. **Clavicle and Glenoid Cavity - Pelvic Girdle**
- The clavicle is part of the pectoral girdle, while the glenoid cavity is a part of the scapula that articulates with the humerus. The pelvic girdle consists of the hip bones. Therefore, this pair is not correctly matched.

3. **Humerus and Ulna - Appendicular Skeleton**
- The humerus (upper arm bone) and ulna (forearm bone) are both part of the appendicular skeleton, which includes the bones of the limbs. This pair is correctly matched.

4. **Malleus and Stapes - Ear Ossicles**
- The malleus and stapes are both small bones in the middle ear, known as ear ossicles. This pair is also correctly matched.

### Step 2: Identify the Non-Matching Pair
After analyzing all pairs, we find that the pair **"Clavicle and Glenoid Cavity - Pelvic Girdle"** is the non-matching pair because the clavicle and glenoid cavity belong to the pectoral girdle, not the pelvic girdle.

### Final Answer
The non-matching pair is **Clavicle and Glenoid Cavity - Pelvic Girdle**.

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