Select the combination that correctly matches both columns (Either structurally, functionally , or based on location).
`{:(,"Column-I",,"Column - II"),((I),"Fovea centralis",(i),"Inner ear"),((II),"Perilymph",(ii),"Blindspot"),((III),"Vitreous humor",(iii),"Vestibular membrane"),((IV),"Reissner's membrane",(iv),"Gelatinous tissue"):}`

Options

A. I - i, II - ii , III - iii, IV - iv
B. I - iv, II - iii , III - ii, IV - i
C. I - ii, II - i , III - iv, IV - iii
D. I - iii, II - iv , III - i, IV - ii

Answer

To solve the question, we need to match the items from Column I with the correct items from Column II based on structural, functional, or locational relationships. Let's analyze each item step by step.

### Step 1: Analyze Fovea Centralis
- **Fovea Centralis**: This is a small pit in the retina where visual acuity is highest. It is often associated with the **Blind Spot** because it is the area of the retina that lacks photoreceptors.
- **Match**: Fovea Centralis (I) → Blindspot (ii)

### Step 2: Analyze Perilymph
- **Perilymph**: This is a fluid located in the inner ear, specifically in the space between the bony labyrinth and the membranous labyrinth.
- **Match**: Perilymph (II) → Inner ear (i)

### Step 3: Analyze Vitreous Humor
- **Vitreous Humor**: This is a gel-like substance that fills the space between the lens and the retina in the eye. It is a type of gelatinous tissue.
- **Match**: Vitreous Humor (III) → Gelatinous tissue (iv)

### Step 4: Analyze Reissner's Membrane
- **Reissner's Membrane**: Also known as the vestibular membrane, it separates the cochlear duct from the scala vestibuli in the inner ear.
- **Match**: Reissner's Membrane (IV) → Vestibular membrane (iii)

### Final Matching Summary
Now, let's summarize the matches:
1. Fovea Centralis (I) → Blindspot (ii)
2. Perilymph (II) → Inner ear (i)
3. Vitreous Humor (III) → Gelatinous tissue (iv)
4. Reissner's Membrane (IV) → Vestibular membrane (iii)

### Conclusion
The correct combination that matches both columns is:
- (I, ii), (II, i), (III, iv), (IV, iii)