Q.

In cockroach, locomotory organs arise from

 

 

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a

Head

b

Thorax

c

Abdomen

d

Prostomium

answer is B.

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Detailed Solution

Thorax consists of three parts – prothorax, mesothorax and metathorax. Each thoracic segment bears a pair of walking legs. The first pair of wings arises from mesothorax and the second pair from metathorax. The hind wings are transparent, membranous and are used in flight.

Prostomium is a body division in earthworm.

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