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How many ganglia lie in the thorax and abdomen respectively in cockroach?

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in Biology – Class 11 by (272k points)
How many ganglia lie in the thorax and abdomen respectively in cockroach?

(a) 3, 6

(b) 6, 3

(c) 2, 4

(d) 4, 2

This 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

1 Answer

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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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