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

Question

Which of these protists has a flagellum?

B VENKAT · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
 **Primary Concept**: Protist characteristics and locomotion
 **Related Topics**: Cell biology, eukaryotic organisms, classification of protists
 **Prerequisites**: Basic understanding of cell structures and protist diversity
## SOLUTION PATHWAY
**Given Information**:
  The question asks to identify the protist with a flagellum among the given options: Amoeba, Paramecium, Diatoms, and Euglena.
  [Important conditions]:  We need to know the characteristic locomotion structures of each protist.
**Method & Steps**:
 1. Analyze each protist's mode of movement.
  Reasoning: Protists move using various structures, including cilia, flagella, or pseudopodia.
  Formula/Rule: N/A
 2. Identify the protist with a flagellum.
  Working: 
            * Amoeba uses pseudopodia (false feet) for movement.
            * Paramecium uses cilia (short, hair-like structures) for movement.
            * Diatoms are mostly non-motile or move passively.
            * Euglena uses a flagellum for movement.
  Key Point: Flagella are long, whip-like structures used for locomotion.
 3. Select the correct option.
  Result: Euglena is the only protist among the options that possesses a flagellum.
  Verification:  The description of Euglena matches its known characteristics. 
 ## OPTION ANALYSIS
A :x: Amoeba moves using pseudopodia, not a flagellum.
B :x: Paramecium uses cilia for locomotion, not a flagellum.
C :x: Diatoms primarily lack motility or move passively.
D ✓: Euglena possesses a flagellum, a whip-like structure used for movement.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing cilia and flagella: Cilia are shorter and more numerous than flagella.  Remembering the difference in length and number can help avoid this mistake.
  2.Incorrectly associating movement structures with the wrong protists: Reviewing the characteristic movement structures of common protists can help prevent this.
 **Quick Tips**:
  1.Visualize the structures: Imagine the long, whip-like motion of a flagellum compared to the shorter, hair-like strokes of cilia or the amoeboid movement of pseudopodia.
  2.Create flashcards: Create flashcards with pictures of each protist and its mode of locomotion to aid memorization.

B VENKAT · Answer

Amoeba

B VENKAT · Answer

Paramecium

B VENKAT · Answer

Diatoms

B VENKAT · Answer

The correct Option is "Euglena"

NEET Botany Biological Classification MCQs

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