The information in which alternative la in-correctly matched?

Options

A. Medulla oblongata - lower half of brainstem
B. Arbor vitae – Core of white matter
C. Corus medullaris -Lower end of spinal cord
D. Cornea - coloured part of eye

Answer

To determine which alternative is incorrectly matched, we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Medulla Oblongata**:
- The medulla oblongata is often referred to as the lower part of the brainstem. However, it is not accurate to describe it as the "lower half" of the brainstem. It is indeed the lower portion, but not half of it. Therefore, this option is incorrectly matched.

2. **Arborvitae**:
- Arborvitae refers to the tree-like structure of white matter found in the cerebellum. It is not the "core" of white matter but is a part of the white matter. This description is misleading, making this option also incorrectly matched.

3. **Corpus Medullaris**:
- The corpus medullaris is indeed associated with the lower end of the spinal cord. While it is part of the spinal cord, it is not solely limited to the lower end, as it extends through the entire spinal cord. This option is somewhat misleading but not entirely incorrect.

4. **Cornea**:
- The cornea is correctly described as the colored part of the eye. It is the transparent front part of the eye that covers the iris and pupil and is responsible for light entry. This option is correctly matched.

### Conclusion:
The incorrectly matched alternatives are:
- Medulla Oblongata (incorrectly described as lower half of the brainstem)
- Arborvitae (incorrectly described as the core of white matter)

### Final Answer:
The information in which alternative is incorrectly matched is the Medulla Oblongata and Arborvitae.