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Standard XII
Biology
Morphology of Cockroach
Question
Common structure between earthworm and cockroach is
Ommatidia
Cocoon
Dorsal nerve cord
Ventral nerve cord
A
Cocoon
B
Ommatidia
C
Dorsal nerve cord
D
Ventral nerve cord
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Solution
Verified by Toppr
Earthworms form cocoon but cockroach does not form a cocoon in its life cycle.
The cockroach has a compound eye comprised of a number of ommatidia, but earthworm does not have eyes.
Both earthworms and cockroaches are invertebrates having a v
entral solid nerve cord.
So, the correct answer is option D.
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