Question

Sensory cells of Hydra possess

• A. Flagellum
• B. Hair-like processes
• C. Cilia
• D. Pseudopodia

Answer 1

The correct option is B Hair-like processes

Hydra may contain primitive stem-like neurons for sensory and motor function. The sensory cells in Hydra are long and narrow and consist of nucleus and flagellum or hair like processes that both receives and transmits impulses. A modified cilium emerges apically from the cell that bear fibres and rootlets.

So, the correct answer is 'Hair- like processes'.