Explain : Cockroach is harmful for human beings.
Explain : Cockroach is harmful for human beings.
$\rightarrow$ Many species of cockroaches are wild and are of no economic importance. A few species thrive in and around human habitat. They are pests because they destroy food and contaminate it with their smelly excreta. They can transmit a variety of bacterial diseases by contaminating food material.
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The given figure shows the digestive system of cockroach with few structures marked as $A , B , C$ and $D$.
Identify structures $A$ to $D$.
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- [NEET 2024]
Select the correct statement regarding Periplanata americana
Select the correct statement regarding Periplanata americana