16
Question
Excretory organs in Periplaneta are:
Excretory organs in Periplaneta are:
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Solution
The correct option is D Malpighian tubules
Excretion in cockroach is performed by malpighian tubules. Each tubule is lined by glandular and ciliated cells. They absorb nitrogenous waste products and convert them into uric acid which is excreted out through the hindgut. Therefore, this insect is said to be uricotelic. In addition, the fat body, nephrocytes, and uricose glands also help in excretion.
The excretory organs in earthworm are nephridia.
A flame cell is a specialized excretory cell found in the lower freshwater invertebrates such as flatworms.
Solenocytes are flagellated cells similar to flame cells and are associated with excretion and osmoregulation in many invertebrates.
Malpighian tubules
Excretion in cockroach is performed by malpighian tubules. Each tubule is lined by glandular and ciliated cells. They absorb nitrogenous waste products and convert them into uric acid which is excreted out through the hindgut. Therefore, this insect is said to be uricotelic. In addition, the fat body, nephrocytes, and uricose glands also help in excretion.
The excretory organs in earthworm are nephridia.
A flame cell is a specialized excretory cell found in the lower freshwater invertebrates such as flatworms.
Solenocytes are flagellated cells similar to flame cells and are associated with excretion and osmoregulation in many invertebrates.
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