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1. |
In cockroach, the number of ganglia are: |
A. | Two pairs thoracic and four pairs abdominal |
B. | Three pairs thoracic and six pairs abdominal |
C. | Three pairs thoracic and five pairs abdominal |
D. | Two pairs thoracic and six pairs abdominal |
Answer» C. Three pairs thoracic and five pairs abdominal | |