Match column I with column II and selecrt the correct option from the codes given below.
`{:(,"Column I",,"Column II"),(A.,"Leeuwenhoke",(i),"First saw and described a living cell"),(B.,"Robert Brown",(ii),"Presence of cell wall is unique to plant cells"),(C.,"Schleiden",(iii),"Discovered the nucleus"),(D.,"Schwann",(iv),"All plants are composed of different kinds of cell"):}`

Options

A. A-(i), B-(iii), C-(iv), (D-(ii)
B. A-(i), B-(iii), C-(ii), D-(iv)
C. A-(iii), B-(i), C-(iv), D-(ii)
D. A-(i), B-(iv), C-(ii), D-(iii)

Answer

To solve the question of matching Column I with Column II, we will analyze each scientist and their contributions to cell biology.

### Step-by-Step Solution:

1. **Identify Anton Von Leeuwenhoek (A)**:
- Leeuwenhoek is known for being the first to observe and describe living cells.
- **Match**: A → (i) "First saw and described a living cell".

2. **Identify Robert Brown (B)**:
- Robert Brown is credited with the discovery of the nucleus in cells.
- **Match**: B → (iii) "Discovered the nucleus".

3. **Identify Schleiden (C)**:
- Matthias Schleiden proposed that all plants are composed of different kinds of cells.
- **Match**: C → (iv) "All plants are composed of different kinds of cell".

4. **Identify Schwann (D)**:
- Theodor Schwann stated that the presence of a cell wall is unique to plant cells.
- **Match**: D → (ii) "Presence of cell wall is unique to plant cells".

### Final Matches:
- A → (i)
- B → (iii)
- C → (iv)
- D → (ii)

### Conclusion:
The correct option that matches all the pairs is:
- **Option 1**: A (i), B (iii), C (iv), D (ii).