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Name Any Two Disease Carries and Also Suggest Methods of Their Control. - Biology

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प्रश्न

Name any two disease carries and also suggest methods of their control.

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उत्तर

(i) Cockroaches.
They can easily be controlled by spraying D.D.T., malathione or commercially available sprays like baygon etc.
(ii) Flies.
They can be controlled in following ways:
(a) Removing human faeces, stable manure and garbage at regular intervals and disposing them off
(b) Killing adult flies by using fly swatters, spraying D.D.T, chlordane etc. or some other chemicals like pyrethrum, B.H.C etc.

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Types of Hygiene: Public Hygiene (Community)
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 21: Health: Personal and Social - Exercise [पृष्ठ २०३]

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फ्रैंक Biology [English] Class 9 ICSE
अध्याय 21 Health: Personal and Social
Exercise | Q 5 | पृष्ठ २०३
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