The Question is from neet-zoology locomotion-and-movement types-of-movement, and it was created by the author Mr. BALACHANDRA.N

Question

A unique characteristic of the ciliary movement is its:

Mr. BALACHANDRA.N · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
 **Primary Concept**: Ciliary movement and its characteristics
 **Related Topics**: Microtubules, flagella, cell motility
 **Prerequisites**: Basic understanding of cell biology and movement mechanisms.
## SOLUTION PATHWAY
**Given Information**:
  The question asks for a unique characteristic of ciliary movement.
**Method & Steps**:
 1. Analyze each option to determine if it's a characteristic of ciliary movement and if it's unique.
  Reasoning: We need to compare the given options with the known mechanisms of ciliary movement and other cellular movement mechanisms.
 2. Evaluate each option against the characteristics of ciliary movement.
  Working:
  A. Dependence on calcium ions for power stroke: While calcium ions play a role in various cellular processes including ciliary movement, it's not unique to cilia.  Other cellular movements also utilize calcium.
  B. Presence of a central sheath connecting microtubule doublets: This is a structural feature of cilia, but not unique. Flagella also possess a similar structure.
  C. Sliding filament mechanism involving actin and myosin: This is characteristic of muscle contraction and some other forms of cellular movement, but not cilia. Cilia utilize microtubules, not actin and myosin.
  D. Metachronal rhythm leading to unidirectional flow: This is a unique characteristic of cilia. The coordinated beating of cilia in a wave-like pattern creates a unidirectional flow of fluid.
 3. Identify the unique characteristic.
  Result: The metachronal rhythm leading to unidirectional flow is the unique characteristic of ciliary movement.
  Verification:  The coordinated, wave-like beating pattern of cilia is well-established and distinguishes it from other forms of cellular movement.
 ## OPTION ANALYSIS
A :x: Dependence on calcium ions is not unique to ciliary movement.
B :x: The presence of a central sheath is a structural feature shared with flagella.
C :x: Ciliary movement utilizes microtubules, not the actin-myosin system.
D ✓: Metachronal rhythm and resulting unidirectional flow are unique to ciliary movement.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing ciliary movement with other forms of cellular movement (e.g., muscle contraction): Understanding the distinct mechanisms involved is crucial.
  2.Failing to recognize the significance of metachronal rhythm: This is the key distinguishing feature of ciliary movement.
 **Quick Tips**:
  1.Remember the key structural components of cilia (microtubules) and how they are arranged.
  2.Visualize the coordinated wave-like beating of cilia to understand metachronal rhythm.

Mr. BALACHANDRA.N · Answer

Dependence on calcium ions for power stroke

Mr. BALACHANDRA.N · Answer

Presence of a central sheath connecting microtubule doublets

Mr. BALACHANDRA.N · Answer

Sliding filament mechanism involving actin and myosin

Mr. BALACHANDRA.N · Answer

The correct Option is "Metachronal rhythm leading to unidirectional flow"

NEET Zoology Locomotion And Movement Types Of Movement MCQs

Select Topic

Question Tags

Question Tags

Question Tags

Question Tags

Question Tags

Question Tags

Question Tags

Question Tags

Question Tags

Question Tags

NEET Subjects

Our Bots

Company