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In sponges the spicules are formed by...

In sponges the spicules are formed by

A

Choanocytes

B

Chromocytes

C

Scleroblasts

D

porocytes

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question "In sponges, the spicules are formed by," we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Spicules**: - Spicules are structural elements found in sponges. They provide support and protection to the sponge's body. - They are made of inorganic materials such as silica or calcium carbonate. 2. **Identifying the Cell Types**: - The question provides four options: A-quinocytes, B-chromocytes, C-scleroblasts, D-porocytes. - We need to determine which of these cell types is responsible for the formation of spicules. 3. **Role of Scleroblasts**: - Scleroblasts are specialized cells in sponges that are responsible for the synthesis of spicules. - They secrete the materials (like silica or calcium carbonate) that form the spicules. 4. **Eliminating Other Options**: - Quinocytes: These are not known for spicule formation. - Chromocytes: These are involved in pigment production, not in forming spicules. - Porocytes: These cells are responsible for forming the pores in sponges, not for spicule formation. 5. **Conclusion**: - Based on the information, the correct answer is C - scleroblasts. ### Final Answer: In sponges, the spicules are formed by **C - scleroblasts**. ---
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