fill in the blanks with suitable words :
cells were first observed in cork by …............in 1665.

Options

A. Robert Cook
B. Robert Hooke
C. James Cook
D. James Hooke

Explanation

**Step-by-Step Solution:**

1. **Identify the Context of the Question**: The question asks about the scientist who first observed cells in cork in the year 1665.

2. **Recall Relevant Information**: From the study of cell biology, it is known that the discovery of cells is attributed to Robert Hooke, who used a microscope to examine cork.

3. **Select the Correct Name**: Among the options provided (Robert Cook, Robert Hook, James Cook, James Hook), the correct name is Robert Hook.

4. **Complete the Sentence**: Fill in the blank with the correct name. The completed sentence is: "Cells were first observed in cork by **Robert Hook** in 1665."

5. **Final Review**: Ensure that the information is accurate and that the name is spelled correctly.

**Final Answer**: Cells were first observed in cork by **Robert Hook** in 1665.

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