que ÷1. why do female mosquitoes need highly nutritious food in the form of human blood?
que ÷2. what is an antibiotic?give an example?
que ÷ 3. what is meant by an acute disease ?
que ÷ 4. why are the overcrowded and poorly ventilated areas a major factor in the spread of airborne diseases ?
Answers
Ans 1) Female mosquitoes need highly nutritious food in the form of human blood because they lay eggs and the eggs gets nutrition from the blood and helps the female mosquito to lay egg.
Ans 2) Antibiotics are the medicines which is used to kill bacteria and curing infections. It is made of antimicrobial agent made from microorganisms and inhibit the growth of infectious or disease causing microorganisms. Example-Amoxicillin
Ans 3) Acute diseases are the diseases that affects an individual for short span of time. Examples-acute leukemia
Ans 4)The overcrowded and the poorly ventilated areas are a major factor in spread of airborne diseases because the people here live very close to each other.Airborne disease is any disease that is caused by pathogens that can be transmitted through the air. So , some of the diseases such as chicken pox influenza etc if attacked one person at that place it will effect everyone.
Hope this may help you...