In case of poriferans, the spongocoel is lined with flagellated cells called

Options

A. ostia
B. oscula
C. choanocytes
D. mesenchymal cells

Explanation

To solve the question, "In case of poriferans, the spongocoel is lined with flagellated cells called," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of Poriferans**:
- Poriferans, commonly known as sponges, have a unique body structure that includes a central cavity known as the spongocoel.

2. **Identify the Layers of the Sponge**:
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