Patterns of Organization
If an arrangement of body parts of an organism, in such a way that any plane passing through oral, central or aboral axis, dividing body into a mirror image, resulting symmetry is called
bilateral
central
radial
aboral
radial
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Upper surface or back of animal is called:A. dorsal
B. ventral
C. inferior
D. superior
Lower surface or belly of animal is called:
A. dorsal
B. ventral
C. aboral
D. superior
End towards head of organism is called:
A. dorsal
B. posterior
C. cephalic
D. caudal
Cytoplasmic organization in which two layers form different tissues is called:
A. diploblastic organization
B. triploblastic organization
C. mesoglea
D. holoblastic organization
End opposite to mouth is called:
A. oral
B. posterior
C. aboral
D. caudal
In a diploblastic organization, a non-cellular layer is present between gastrodermis and epidermis, known as:
A. bilateral
B. diploblastic
C. triploblastic
D. mesoglea
Organization of animal in which their tissues are derived from three layers is called:
A. diploblastic organization
B. triploblastic organization
C. mesoglea
D. holoblastic organization
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