Body Wall Structure | MCQs

    Q1: Which of the following are the layers of the body wall in sponges?

    سپنج میں باڈی وال کی کون سی لیئر ہیں؟
    • A. Pinacoderm and choanoderm
    • B. Pinacoderm and mesoderm
    • C. Pinacoderm and ectoderm
    • D. Epidermis and choanoderm
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