The Question is from neet-botany biological-classification , and it was created by the author D VINOD

Question

The intricate siliceous cell walls of diatoms are composed of two overlapping halves. What is the specific term used to describe these halves?

D VINOD · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
 **Primary Concept**: Diatom morphology and cell structure
 **Related Topics**: Phytoplankton, Algae, Microscopy
 **Prerequisites**: Basic knowledge of cell biology and terminology.
## SOLUTION PATHWAY
**Given Information**:
  Diatoms have intricate siliceous (glassy silica) cell walls composed of two overlapping halves.
  The question asks for the specific term for these halves.
**Method & Steps**:
 1. Identify the correct terminology for the two overlapping halves of a diatom's cell wall.
  Reasoning:  The question directly asks for the specific term.  We need to recall the correct biological term used to describe this structure.
  Formula/Rule: None directly applicable.
 2. Recall the term 'frustule'.
  Working:  Frustule is the correct term for the siliceous cell wall of a diatom, which is composed of two overlapping halves called the epitheca and hypotheca.
  Key Point: The term 'frustule' encompasses both halves of the diatom cell wall.
 3. Select the correct option.
  Result: The correct answer is 'Frustules'.
  Verification: Verify the definition of frustule in a reliable biology textbook or reference.
 ## OPTION ANALYSIS
A :x: Thecae are sheaths or coverings, but not specific to the diatom's two-part cell wall.
B :x: Loricae are protective coverings, often external to the cell, not the cell wall itself.
C ✓: Frustules are the siliceous cell walls of diatoms, composed of two overlapping halves.
D :x: Tests are external shells or coverings found in various protists, not specific to the diatom's two-part structure.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing frustules with other similar-sounding terms like thecae or loricae:  Pay close attention to the specific definitions of these terms.
  2.Failing to recall the specific term:  Regular review of biological terminology is essential.
 **Quick Tips**:
  1.Remember that 'frustule' refers to the entire two-part structure.
  2.Associate the word 'frustule' with 'fragile' as diatom cell walls are delicate.

D VINOD · Answer

Thecae

D VINOD · Answer

Loricae

D VINOD · Answer

The correct Option is "Frustules"

D VINOD · Answer

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