Question:
The most primitive and the slowest type of locomotion in protozoans
The most primitive and the slowest type of locomotion in protozoans
Show Hint
Amoeboid movement = pseudopodia-based + slowest + primitive.
Updated On: Jul 18, 2026
- Gliding locomotion
- Amoeboid locomotion
- Ciliary locomotion
- Euglenoid locomotion
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding protozoan locomotion.
Protozoans show different types of movement depending on their cellular structure. These include amoeboid, ciliary, flagellar, and gliding movements.
Step 2: Amoeboid locomotion features.
Amoeboid movement occurs using pseudopodia. It is slow, irregular, and considered the most primitive form of movement in protozoans.
Step 3: Mechanism of movement.
Cytoplasmic streaming helps in forming pseudopodia. This allows gradual movement of the organism in the surrounding medium.
Step 4: Comparison with other types.
Ciliary and flagellar movements are faster and more advanced. Gliding and euglenoid movements are also more specialized than amoeboid movement.
Step 5: Evolutionary significance.
Amoeboid locomotion is considered evolutionary primitive because it lacks specialized organelles for movement.
Step 6: Final conclusion.
Thus, amoeboid locomotion is the most primitive and slowest type.
Protozoans show different types of movement depending on their cellular structure. These include amoeboid, ciliary, flagellar, and gliding movements.
Step 2: Amoeboid locomotion features.
Amoeboid movement occurs using pseudopodia. It is slow, irregular, and considered the most primitive form of movement in protozoans.
Step 3: Mechanism of movement.
Cytoplasmic streaming helps in forming pseudopodia. This allows gradual movement of the organism in the surrounding medium.
Step 4: Comparison with other types.
Ciliary and flagellar movements are faster and more advanced. Gliding and euglenoid movements are also more specialized than amoeboid movement.
Step 5: Evolutionary significance.
Amoeboid locomotion is considered evolutionary primitive because it lacks specialized organelles for movement.
Step 6: Final conclusion.
Thus, amoeboid locomotion is the most primitive and slowest type.
Was this answer helpful?
0
0
Top AP EAPCET Zoology Questions
- The incorrect statement for subspecies
- The equation which explains relation of species–area on logarithmic scale
- Life span of blood platelets is
- Assertion (A): The activated osteoblasts start deposition of mineral material to join fractured bone.
Reason (R): The major part of inorganic matter of bone is collagen. - Choose the correct statement among the following
View More Questions
Top AP EAPCET Animal Kingdom Questions
- Assertion (A): Arthropods are schizocoelomates
Reason (R): Coelom in arthropods is formed by splitting of mesoderm - Identify the flatworms among the following non-chordate animals:
I. Euspongia
II. Aurelia
III. Beroe
IV. Taenia
V. Wuchereria
VI. Convoluta Match the following:
Zoological Name Common Name A) Pila I) Apple snail B) Lepisma II) Silver fish C) Daphnia III) Water flea D) Aranea IV) Spider Study the following and pick up the correct combinations:
Sl.No. Classes Features Examples I Osteichthyes Filamentous gills Scoliodon II Amphibia Sternum appeared first time Ichthyophis III Reptiles Temporal fossae Bungarus IV Aves Corpus callosum in brain Corvus - The following are the names of larvae of certain phyla. Identify the larva(e) that belongs to Annelida.
I) Parenchymula
II) Planula
III) Miracidium
IV) Nauplius
V) Glochidium
VI) Trochophore
VII) Bipinnaria
View More Questions
Top AP EAPCET Questions
- A body is projected from the ground at an angle of $\tan^{-1} \left( \frac{8}{7}\right)$ with the horizontal. The ratio of the maximum height attained by it to its range is
- The four quantum numbers of the valence electron of potassium are :
- A lens forms real and virtual images of an object, when the object is at $u_{1}$ and $u_{2}$ distances respectively. If the size of the virtual image is double that of the real image, then the focal length of the lens is (take, the magnification of the real image as $m$ )
- Two spheres $P$ and $Q$, each of mass $200\, g$ are attached to a string of length one metre as shown in the figure. The string and the spheres are then whirled in a horizontal circle about $O$ at a constant angular speed. The ratio of the tension in the string between $P$ and $Q$ to that of between $P$ and $O$ is $(P$ is at mid-point of the line joining $O$ and $Q$ )
- The volume of $0.02\, M$ acidified permanganate solution required for complete reaction of $60\, mL$ of $0.01\, MI^{-}$ ion solution to form $I_2$ in $mL$ is
View More Questions