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How many ganglia lie in the thorax and abdomen respectively in cockroach?(a) 3, 6(b) 6, 3(c) 2, 4(d) 4, 2This question was addressed to me in exam.This intriguing question originated from Animals Structural Organisations in portion Structural Organisations in Animals of Biology – Class 11

Answer»

Correct option is (a) 3, 6

For explanation: The nervous system of cockroach CONSISTS of a series of fused GANGLIA which are segmentally arranged. There are three ganglia present in the THORAX and six ganglia present in the abdomen.



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