All fungi are :-

Options

A. With chlorophyll
B. Without chlorophyll
C. With carotene
D. Wall less

Answer

**Step-by-Step Solution:**

1. **Understanding Fungi**: Fungi are a distinct group of organisms that are classified under the kingdom Fungi. They are primarily known for their role as decomposers in ecosystems.

2. **Nutritional Mode**: Fungi are heterotrophic organisms, meaning they cannot produce their own food through photosynthesis. Instead, they obtain their nutrients by absorbing organic matter from their environment.

3. **Chlorophyll Presence**: Since fungi are heterotrophs, they do not possess chlorophyll, which is the pigment necessary for photosynthesis. This rules out the possibility of fungi having chlorophyll (Option A).

4. **Evaluating Other Options**:
- **Option A (with chlorophyll)**: Incorrect, as fungi do not have chlorophyll.
- **Option C (with carotene)**: Incorrect, as fungi do not contain carotene in a way that is relevant to their classification.
- **Option D (boneless)**: This option is misleading; while fungi do not have bones, they do have cell walls made of chitin, which is a significant structural component.

5. **Conclusion**: Based on the above points, the correct answer is **Option B: without chlorophyll**. This accurately reflects the nature of fungi as heterotrophic organisms that lack the ability to perform photosynthesis.