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Measures to control malaria infection: Malaria is a communicable disease caused by the female anopheles mosquito.
a) Controlling mosquito population: Mosquito population can be controlled by two methods. One of them is the elimination of adult mosquito by spraying of insecticides.
b) Second method: To eliminate mosquito larvae. The following methods are used for this puspose.1) To prevent water stagnation in water tanks, drainage canals.
2) To avoid discarded vessels lying outside.3) To spray insecticides or light oil such as kerosene oil on stagnant water especially in drainage water.4) To grow specific varieties of fishes in stagnant water. These fishes feed on mosquito larvae. Thus the spread of malaria can be prevented.c) Protect from mosquito bites: The best method is to use mosquito nets while sleeping and by using mosquito proof nets windows and doors.
Explain what is a terrestrial organism? Ans) 'Terra' is the Latin word for earth. Thus, an animal that lives on the surface of the earth is known as terrestrial. This is the si
What is dichogamy? Dichogamy is the phenomenon of the maturation of female reproductive structures of the plant in a dissimilar period to the maturation of the male reproductiv
Define Role of Food Industry? Publications of major trade associations; industry standards; structure of the food industry; international food corporations; information on alli
Indications For Surgery : The normal aortic valve area in the adult is about 3-4 cm2. Significant symptoms occur when the valve area is seduced to 1/4"' the normal area
How does a person with drown syndrome obtain a third chromosome 21?
What are the main biological functions of the polysaccharides? Polysaccharides have an energy storage function and a structural function. Polysaccharides incorporated by living
Day-Neutral Plants Besides SDP and LDP, those plants that flower irrespective of the length of light are called day-neutral plants. For these there is no specific requirement
Define Mobilization of bone calcium and phosphorous? It is now firmly established that vitamin D 3 is metabloized first in the liver to 25-hydroxyvitamin D (25 OH- D) (calcicl
A hypothesis can be used to predict the outcome of future testing. Which type of hypothesis is easier to test? A. It is easier to specify and test for a difference between two outc
Illustrate the Structure and functions of aqueous humour Aqueous humour is a clear fluid that fills the anterior and posterior chambers of the eye and permeates the vitreous. I
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