According to R.H. Whittaker's five - kingdom classification , how many of the following are placed in Kingdom Protista ?
Chlorella , Riccia, Pisum , chlamydomonas, cycas, pteridium , Capsella , Gonyaulax , Euglena Amoeba , physarum , Fucus chara .

Options

A. Seven
B. Eight
C. Nine
D. six

Answer

To solve the question regarding how many of the listed organisms are placed in Kingdom Protista according to R.H. Whittaker's five-kingdom classification, we will analyze each organism one by one.

### Step-by-Step Solution:

1. **Chlorella**:
- Chlorella is a type of green algae.
- **Classification**: Protista.

2. **Riccia**:
- Riccia is a genus of liverworts, which are non-vascular plants.
- **Classification**: Plantae.

3. **Pisum**:
- Pisum is a genus of pea plants.
- **Classification**: Plantae.

4. **Chlamydomonas**:
- Chlamydomonas is a unicellular green algae.
- **Classification**: Protista.

5. **Cycas**:
- Cycas is a genus of cycads, which are seed plants.
- **Classification**: Plantae.

6. **Pteridium**:
- Pteridium is a genus of ferns.
- **Classification**: Plantae.

7. **Capsella**:
- Capsella, commonly known as shepherd's purse, is a flowering plant.
- **Classification**: Plantae.

8. **Gonyaulax**:
- Gonyaulax is a genus of dinoflagellates, which are unicellular organisms.
- **Classification**: Protista.

9. **Euglena**:
- Euglena is a genus of single-celled organisms that have characteristics of both plants and animals.
- **Classification**: Protista.

10. **Amoeba**:
- Amoeba is a genus of single-celled organisms known for their shape-shifting ability.
- **Classification**: Protista.

11. **Physarum**:
- Physarum is a genus of slime molds, which are eukaryotic organisms.
- **Classification**: Protista.

12. **Fucus**:
- Fucus is a genus of brown algae.
- **Classification**: Protista.

13. **Chara**:
- Chara is a genus of green algae.
- **Classification**: Protista.

### Summary of Classifications:
- **Organisms in Protista**:
- Chlorella
- Chlamydomonas
- Gonyaulax
- Euglena
- Amoeba
- Physarum
- Fucus
- Chara

### Total Count in Protista:
- There are **8 organisms** that belong to Kingdom Protista.

### Final Answer:
- **8 organisms** are placed in Kingdom Protista according to R.H. Whittaker's five-kingdom classification.

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