In members of which kingdom, nuclear membrane is absent ?

Options

A. Monera
B. Protista
C. Fungi
D. Plantae

Answer

To answer the question, "In members of which kingdom, nuclear membrane is absent?" we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking about the presence or absence of a nuclear membrane in the members of different biological kingdoms.

2. **Identify the Kingdoms**: The options provided are:
- Monera
- Protista
- Fungi
- Plantae

3. **Define Nuclear Membrane**: The nuclear membrane is a double membrane that surrounds the nucleus in eukaryotic cells. It separates the contents of the nucleus from the cytoplasm.

4. **Analyze Each Kingdom**:
- **Monera**: Members of this kingdom are prokaryotic, meaning they do not have a well-defined nucleus or a nuclear membrane. Therefore, in Monera, the nuclear membrane is absent.
- **Protista**: This kingdom consists of unicellular eukaryotic organisms that do have a well-defined nucleus and nuclear membrane.
- **Fungi**: Fungi are multicellular eukaryotic organisms that also possess a well-defined nucleus and nuclear membrane.
- **Plantae**: Members of this kingdom are multicellular eukaryotic organisms with a well-defined nucleus and nuclear membrane.

5. **Conclusion**: Based on the analysis, the only kingdom where the nuclear membrane is absent is Monera.

### Final Answer:
The kingdom in which the nuclear membrane is absent is **Monera**.

---