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प्रश्न
Which one of the following statements is incorrect?
विकल्प
In cockroaches and prawns excretion of waste material occurs through malpighian tubules.
In ctenophores, locomotion is mediated by comb plates.
In Fasciola, flame cells help in excretion.
Earthworms are hermaphrodites and yet cross fertilization take place among them.
उत्तर
In cockroaches and prawns excretion of waste material occurs through malpighian tubules.
Explanation:
In cockroaches, and prawns excretion of waste material occurs through malpighian tubules.
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