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Go through the following characters. How...

Go through the following characters. How many of them are used to classify the organisms according to five kingdom system of classification?
Cell structure, flagellation, mode of nutrition, reproduction, phylogenetic relationship, pigmentation

A

6

B

4

C

5

D

3

Text Solution

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The correct Answer is:
To determine how many of the given characters are used to classify organisms according to the five kingdom system of classification proposed by R.H. Whittaker, we can analyze each character one by one. ### Step-by-Step Solution: 1. **Cell Structure**: - This character is fundamental in classifying organisms. The five kingdom system distinguishes between prokaryotic (e.g., Monera) and eukaryotic (e.g., Protista, Fungi, Plantae, Animalia) organisms based on their cell structure. 2. **Flagellation**: - While flagellation can be a characteristic of some organisms, it is not a primary criterion used in the five kingdom classification. Therefore, this character is not typically used for classification in this system. 3. **Mode of Nutrition**: - This is an important criterion. The five kingdoms are classified based on how organisms obtain their food: autotrophic (e.g., plants) and heterotrophic (e.g., animals, fungi). 4. **Reproduction**: - Reproductive methods (sexual and asexual) can provide insights into the classification of organisms, but they are not a primary basis for the five kingdom system. Thus, this character is not typically used for classification. 5. **Phylogenetic Relationship**: - Phylogenetic relationships are essential in modern classification systems, but the original five kingdom classification was not primarily based on phylogenetic relationships. Therefore, this character is not a direct criterion in the five kingdom system. 6. **Pigmentation**: - Pigmentation can vary widely among organisms and is not a primary classification criterion in the five kingdom system. Thus, this character is not used for classification. ### Conclusion: From the analysis, the characters used to classify organisms according to the five kingdom system are: - Cell Structure - Mode of Nutrition Therefore, **2 characters** are used in the five kingdom system of classification.
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