Give reasons:
a) Female Anopheles mosquito feeds on human blood.
b) A person suffering from AIDS cannot fight even small infections.
c) Overcrowded and poorly ventilated areas are majorly responsible for spread of airborne diseases.
Answers
Explanation:
Female Anopheles mosquito is a vector of the parasite called Plasmodium that causes malaria. Female Anopheles mosquito picks up the parasite from infected people when they bite to obtain blood needed to nurture their eggs. It cannot transmit elephantiasis because the filarial worms like wuchararia do not enter Anopheles mosquito.
So the correct answer is 'filarial worms (microfilaria) do not enter Anopheles mosquito'.
Answer:
a)because human body is full of protein and amino acid so it help to mosquitoes to perfect prenatal to growing of eggs so it sucks human blood
b)the virus reaches the immune system and damage its function .As immune system weaks the body will not able to fight with small infections like cold it may lead to death very soon
c)because on overcrowded and poorly ventilated areas if an infected person sneeze and cough ,little droplets are thrown out and when a person is standing closeby breathes in these droplets the microbes are change to start a new infections
Explanation:
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