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

Question

Which structure in bryophytes helps in anchoring the plant to the substratum?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: B
## CONCEPT FRAMEWORK
 **Primary Concept**: Bryophyte morphology and anatomy
 **Related Topics**: Plant structure, adaptations to terrestrial environments
 **Prerequisites**: Basic understanding of plant morphology
## SOLUTION PATHWAY
**Given Information**:
  The question asks about the structure in bryophytes responsible for anchoring them to the substratum (surface they grow on).
  Bryophytes include mosses, liverworts, and hornworts.
**Method & Steps**:
 1. Identify the structures found in bryophytes.
  Reasoning: Bryophytes lack true roots, stems, and leaves as seen in vascular plants. They have simpler structures.
  Formula/Rule: N/A
 2. Determine the function of each structure.
  Working: 
   *Roots: Absent in bryophytes.
   *Rhizoids: Hair-like structures that anchor the plant and absorb water and nutrients.
   *Stems:  Present in some bryophytes, but primarily for support, not anchoring.
   *Leaves: Present in some bryophytes, primarily for photosynthesis, not anchoring.
  Key Point: Rhizoids are the analogous structures to roots in bryophytes, but they are simpler in structure and function.
 3. Identify the structure responsible for anchoring.
  Result: Rhizoids are the structures that anchor bryophytes to the substratum.
  Verification: This aligns with the general understanding of bryophyte structure and function.
 ## OPTION ANALYSIS
A :x: Roots are absent in bryophytes.  Bryophytes lack a true root system.
B ✓: Rhizoids are the filamentous structures in bryophytes that function in anchoring and absorption.
C :x: Stems provide support but are not primarily responsible for anchoring.
D :x: Leaves are involved in photosynthesis, not anchoring.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing rhizoids with roots: Rhizoids are simpler than roots and lack the complex vascular tissue found in true roots.
  How to avoid: Remember that bryophytes are non-vascular plants and lack true roots.
  2.Focusing on the photosynthetic function of bryophytes and ignoring the anchoring function:
  How to avoid: Consider the entire life cycle and the plant's need to stay attached to the substrate.
 **Quick Tips**:
  1.Remember the key characteristics of bryophytes: non-vascular, rhizoids for anchoring.
  2.Visualize the structure of a moss or liverwort to recall the role of rhizoids.

Mr. NARESH KUMAR K · Answer

Roots

Mr. NARESH KUMAR K · Answer

The correct Option is "Rhizoids"

Mr. NARESH KUMAR K · Answer

Stems

Mr. NARESH KUMAR K · Answer

Leaves

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