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According to R.H. Whittaker's five - kin...

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 .

A

Seven

B

Eight

C

Nine

D

six

Text Solution

AI Generated Solution

The correct Answer is:
To determine 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**: This is a green algae and is classified under Kingdom Protista. - **Hint**: Remember that algae are typically classified as protists. 2. **Riccia**: This is a liverwort, which is a type of bryophyte and is classified under Kingdom Plantae. - **Hint**: Liverworts are non-vascular plants. 3. **Pisum**: This is the pea plant, which is also classified under Kingdom Plantae. - **Hint**: Peas are flowering plants. 4. **Chlamydomonas**: This is a unicellular green algae and is classified under Kingdom Protista. - **Hint**: Look for unicellular organisms that are photosynthetic. 5. **Cycas**: This is a type of gymnosperm (a seed plant) and is classified under Kingdom Plantae. - **Hint**: Gymnosperms are seed-producing plants. 6. **Pteridium**: This is a fern, which is also classified under Kingdom Plantae. - **Hint**: Ferns are vascular plants that reproduce via spores. 7. **Capsella**: This is a type of flowering plant (shepherd's purse) and is classified under Kingdom Plantae. - **Hint**: Flowering plants belong to the Plantae kingdom. 8. **Gonyaulax**: This is a dinoflagellate and is classified under Kingdom Protista. - **Hint**: Dinoflagellates are often found in marine environments. 9. **Euglena**: This is a flagellated unicellular organism that has characteristics of both plants and animals, classified under Kingdom Protista. - **Hint**: Euglena can photosynthesize but also feeds heterotrophically. 10. **Amoeba**: This is a unicellular organism that is classified under Kingdom Protista. - **Hint**: Amoeba is known for its shape-changing ability. 11. **Physarum**: This is a slime mold and is classified under Kingdom Protista. - **Hint**: Slime molds are often studied in the context of cellular organization. 12. **Fucus**: This is a brown algae and is classified under Kingdom Protista. - **Hint**: Brown algae are multicellular and typically found in marine environments. 13. **Chara**: This is a green algae and is classified under Kingdom Protista. - **Hint**: Chara is often referred to as stonewort and is found in freshwater. ### Summary of Classification: - **In Kingdom Protista**: Chlorella, Chlamydomonas, Gonyaulax, Euglena, Amoeba, Physarum, Fucus, Chara. - Total organisms in Protista: 8. ### Final Answer: The total number of organisms placed in Kingdom Protista is **8**.
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