Question
Biology Question on Structural Organisation of Animals and plants
Which of the following layers you will find in the body wall of earthworm (from outside to inside)?
A
Non-cellular cuticle, epidermis, circular muscles, longitudinal muscles, coelomic epithelium
B
Cuticle, epidermis, longitudinal muscles, circular muscles, coelomic epithelium
C
Non-cellular cuticle, epidermis, coelomic epithelium, circular muscles, longitudinal muscles
D
Cuticle, epidermis, peritoneal muscles
Answer
Non-cellular cuticle, epidermis, circular muscles, longitudinal muscles, coelomic epithelium
Explanation
Solution
Externally the body wall of earthworm is covered by a thin non cellular cuticle below which lies the epidermis, two muscle layers (circular and longitudinal) and innermost coelomic epithelium