The Question is from neet-botany , and it was created by the author Mr. NARESH KUMAR K

Question

A taxonomist is studying a newly discovered organism.  They find it to be eukaryotic, multicellular, heterotrophic, with chitinous cell walls and exhibiting absorptive nutrition.  Based solely on these characteristics, to which of the following taxonomic groups could the organism *most precisely* be assigned?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: A
## CONCEPT FRAMEWORK
 **Primary Concept**: Taxonomic classification of organisms based on their characteristics.
 **Related Topics**: Eukaryotic organisms, heterotrophs, fungal characteristics, Kingdom Fungi, Phylum Basidiomycota, Class Ascomycetes, Domain Eukarya.
 **Prerequisites**: Understanding of basic taxonomic ranks (kingdom, phylum, class) and the characteristics of different eukaryotic kingdoms.
## SOLUTION PATHWAY
**Given Information**:
  The organism is eukaryotic, multicellular, heterotrophic, has chitinous cell walls, and exhibits absorptive nutrition.
  The options are Kingdom Fungi, Phylum Basidiomycota, Domain Eukarya, and Class Ascomycetes.
**Method & Steps**:
 1. Analyze the given characteristics of the organism.
  Reasoning: We need to identify the taxonomic group that best fits all the described features.
  Formula/Rule: None directly applicable; this is a qualitative analysis.
 2. Compare the characteristics to the characteristics of different taxonomic groups.
  Working: 
            * **Eukaryotic, multicellular, heterotrophic:** These are broad characteristics shared by many eukaryotic organisms, including animals, plants, and fungi.
            * **Chitinous cell walls:** This characteristic is strongly indicative of fungi.  Plants have cell walls made of cellulose, and animals lack cell walls.
            * **Absorptive nutrition:** Fungi obtain nutrients by absorbing organic matter from their surroundings, rather than ingesting it like animals.
 3. Determine the most precise taxonomic group.
  Result: Kingdom Fungi is the most precise taxonomic group that fits all the given characteristics.  The other options are either too broad (Domain Eukarya) or too specific (Phylum Basidiomycota and Class Ascomycetes), representing subgroups within the Kingdom Fungi.
  Verification: All given characteristics align with the definition of Kingdom Fungi.
 ## OPTION ANALYSIS
A ✓: Kingdom Fungi accurately reflects the organism's characteristics.  All the given features are consistent with being a fungus.
B :x: Phylum Basidiomycota is a specific phylum within the Kingdom Fungi.  The information provided is not specific enough to assign the organism to this phylum.
C :x: Domain Eukarya is too broad.  The organism is eukaryotic, but this doesn't exclude it from other kingdoms within Eukarya.
D :x: Class Ascomycetes is another specific class within the Kingdom Fungi.  Again, the information is insufficient for this level of classification.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Choosing too broad a taxonomic group (e.g., Domain Eukarya): Remember to select the *most precise* group possible based on the given information.
  2.Confusing fungal characteristics with those of plants or animals:  Pay close attention to the details, especially the presence of chitinous cell walls and absorptive nutrition.
 **Quick Tips**:
  1.Make a checklist of the given characteristics and match them to the characteristics of different taxonomic groups.
  2.Remember that Kingdom Fungi is characterized by eukaryotic cells, heterotrophic nutrition, chitinous cell walls, and absorptive nutrition.

Mr. NARESH KUMAR K · Answer

The correct Option is "Kingdom Fungi"

Mr. NARESH KUMAR K · Answer

Phylum Basidiomycota

Mr. NARESH KUMAR K · Answer

Domain Eukarya

Mr. NARESH KUMAR K · Answer

Class Ascomycetes

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