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प्रश्न
List any three effective methods for controlling mosquitoes.
उत्तर १
Effective methods for controlling mosquitoes:
(i) Spraying insecticides
(ii) Food should be protected by covering it
(iii) Eliminating breeding places of mosquitoes
उत्तर २
Three ways of controlling mosquitoes are:
(i) Mosquitoes can be controlled by spraying liquid insecticides like flit or D.D.T.
(ii) The breeding places of mosquitoes are sprayed with petroleum oils. The oil-film formed on the surface of water is toxic to the mosquito larvae.
(iii) Mosquito-repellents like mosquito cream, citronella, odomos and indalone help to keep mosquitoes away and protect us from getting bitten.
संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
Dengue is caused by a
How can we control spreading of diseases by mosquitoes and houseflies ?
Which of the following statement are true (T) and which ones are false (F)? Mark T or F:
Malaria is a vector-borne disease.
The chemical substance mainly responsible for tooth disorders is
What measure would you take to prevent water-borne diseases?
______ is a vector of viral disease dengue.
Name the vector of the malarial parasite. Mention the species of malarial parasite which cause malignant and fatal malaria.
Assertion: Dengue can be treated by intake of antibiotics.
Reason: Antibiotics blocks the multiplication of viruses.
Name the Causative Agents and write the Symptoms for Dengue Fever and Sine Flu.
The stages of the malarial parasite are developed in the ______ of mosquito.
The incubation period of the virus for chikungunya is usually ______.
The disease that displays Nocturnal periodicity ______.
The use of ______ drugs kills the stages of the malaria parasite.
Name two diseases transmitted by the Aedes aegypti mosquito?
What is known as a reservoir of infection? Give two examples.
How is typhoid prevented and treated?
Discuss the strategies to adopt to prevent diseases transmitted through mosquitoes.
Observe the following set of symptoms given below:
- Frontal headache
- Liver enlargement
- Bleeding gums
- Excessive pain in the body
- Pain behind the eyes
- Rupture of veins in kidneys
To which of the following type of diseases do these symptoms belong?
Malaria is caused by ______.
Name the vector of the pathogen responsible for Dengue fever.
