Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 14 PCB Single Correct MCQ
Published on: August 13, 2026

Which of the following is not a feature of the organism given below?

A
They are aquatic, actively moving organisms.
B
The hair-like outgrowths are extensions on the cell membrane and help in the movement of the cell or surrounding fluids.
C
They are heterotrophic and engulf food using pseudopodia.
D
They belong to a group that is believed to be the primitive relatives of animals.

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Text Solution

Verified by Experts
The correct answer is:
C

The given organism is Paramoecium. These are aquatic, actively moving organisms because of the presence of thousands of cilia. They have a cavity (gullet) that opens to the outside of the cell surface. The coordinated movement of rows of cilia causes the water laden with food to be steered into the gullet.

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