Question

Write a note on interaction of cockroach with man.

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Answer 1

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⑴ They Causes damage to the household materials like clothes, shoes, paper, etc. They also eat and destroy the good stuff.

⑵ They contaminate food which gives typical smell and make it unpalatable.

⑶ They live in sewage pipes and gutter holes, they carry with them harmful pathogens causing diseases like cholera, diarrhoea, tuberculosis, typhoid , etc.

⑷ Many other animals prey upon them and making them a part of food chain.

⑸ They are eaten by certain groups of people in South America, China and Myanmar.

⑹ It is an experimental material in labs and research fields.

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Control measures for harmful causes of cockroach:-

⒈Places like kitchen cupboard must be cleaned regularly. Cracks and crevices & such areas must be filled.

⒉Always keep the drain trap filled with water.

⒊Organophosphates, Carbamates, pyrethroids and boric acid are efficient poisons of cockroaches , various types of their formulations are available in market, under various brand names.

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✦Do you know?

Cockroaches are considered as bio- indicators! Their presence indicate unhygienic conditions.

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Answer 2

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Cockroaches interact with mankind by thriving in and around their habitat. They are considered pests because they spoil food and contaminate it with their smelly excreta. They can transmit a variety of bacterial diseases by contaminating food particles.