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

Question

Diatoms belong to which kingdom and are characterized by their unique cell walls made of what?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: B
## CONCEPT FRAMEWORK
 **Primary Concept**: Classification of organisms and cell wall composition
 **Related Topics**: Protista kingdom, eukaryotic cell structure, diatom morphology
 **Prerequisites**: Basic understanding of biological kingdoms and cell wall materials.
## SOLUTION PATHWAY
**Given Information**:
  The question asks about the kingdom and cell wall composition of diatoms.
  We need to identify the correct kingdom and the material composing their cell walls from the given options.
**Method & Steps**:
 1. Identify the kingdom to which diatoms belong.
  Reasoning: Diatoms are single-celled, eukaryotic organisms. They are not plants (Plantae), fungi (Fungi), or bacteria (Monera). They belong to the Protista kingdom.
  Formula/Rule:  None directly applicable; this is based on biological classification.
 2. Identify the material that makes up diatom cell walls.
  Working: Diatoms are known for their unique cell walls made of silica, a glassy material that provides structural support and protection.
  Key Point:  Silica cell walls are a defining characteristic of diatoms, giving them their intricate and often beautiful patterns.
 3. Combine the kingdom and cell wall material to find the correct option.
  Result: Diatoms belong to the Protista kingdom and have cell walls made of silica.
  Verification: Option B correctly identifies both the kingdom (Protista) and the cell wall material (silica).
 ## OPTION ANALYSIS
A :x: Incorrect kingdom (Plantae) and cell wall material (cellulose). Plant cell walls are made of cellulose.
B ✓: Correct kingdom (Protista) and cell wall material (silica).
C :x: Incorrect kingdom (Fungi) and cell wall material (chitin). Fungi cell walls are made of chitin.
D :x: Incorrect kingdom (Monera) and cell wall material (peptidoglycan). Bacteria (Monera) cell walls are made of peptidoglycan.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing diatoms with plants due to their photosynthetic nature: Diatoms are photosynthetic, but they are not plants; they belong to the Protista kingdom.
   How to avoid: Remember the key characteristics of each kingdom, including cell wall composition and cellular organization.
  2.Misremembering the cell wall material:  Knowing the unique silica cell walls of diatoms is crucial for correct identification.
   How to avoid: Use mnemonic devices or flashcards to remember the cell wall composition of different groups of organisms.
 **Quick Tips**:
  1.Remember that diatoms are single-celled eukaryotes with unique silica cell walls.
  2.Use a classification chart or diagram to help visualize the relationships between different kingdoms and their characteristics.

Mr. NARESH KUMAR K · Answer

Plantae, cellulose

Mr. NARESH KUMAR K · Answer

The correct Option is "Protista, silica"

Mr. NARESH KUMAR K · Answer

Fungi, chitin

Mr. NARESH KUMAR K · Answer

Monera, peptidoglycan

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