Which statement is incorrect about excretion of cockroach?

Cockroaches being an insect excrete using malpighian tubules. On the other hand, a prawn is a crustacean. It excretes using green glands that help in the removal of nitrogenous waste from its body. Thus, this statement is incorrect.

Which of the following statement is correct about excretory system of cockroach?

Malpighian tubules are excretory structures in most insects, including cockroaches, but in crustaceans such as prawns, green glands conduct excretory functions, whereas all other statements are true.

What is the excretion of cockroach?

Excretion in cockroach is performed by Malpighian tubules. Each tubule is lined by glandular and ciliated cells. They adsorb nitrogenous waste products and convert them into uric acid which is excreted out through the hindgut.

Which one of the following statements is incorrect A in cockroaches and prawns excretion of waste material occurs through malpighian tubules?

Answer: (a) The statement (a) is incorrect because Malpighian tubules are excretory structures inmost of the insects, including cockroach, but green glands perform excretory functions in crustaceans like prawns, whereas all the other statements are true.

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What helps the excretion of cockroaches?

Besides the Malpighian tubules, nephrocytes, the fat body and urecose glands help in excretion in cockroaches.

What type of vision is found in cockroach?

The two types of vision in a cockroach are mosaic vision or apposition and superposition or dull vision.

Why the blood of cockroach is Colourless?

Complete answer:

Cockroach blood is not red because it does not utilize hemoglobin to carry oxygen. Their bloodstream is not used to hold oxygen either. They use an organization of pipes called tracheae to bring oxygen and eliminate carbon dioxide from their tissues. As a result, other aspects decide the blood color.

How do flatworms excrete?

In flatworms, excretion is accomplished by the epithelial lining of the gut, by the body wall, by exocytosis of vesicles, and by protonephridia. … The Catenulida are the only flatworms that have an unpaired protonephridial system and a unique terminal cell type.

How many ganglia are in cockroach?

Total no. of segmental ganglia in cockroach are 9. Among them 3 are present in thoracic region and 6 in the abdominal region.

Which of the following is incorrect for cockroach?

So, the correct answer is ‘Fore wings are used for flight‘.

Which of the following statement is incorrect about excretion?

So, the correct answer is ‘Excretion is the process of getting rid of excess water only.

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