
Which of the following diseases is not caused by a virus?
A) Hepatitis
B) Influenza
C) Malaria
D) Polio
Answer
475.5k+ views
Hint: Virus is very minute disease causing agents. They are made up of either DNA or RNA. They require a host to carry out their metabolism i.e. multiplication. They destroy or damage the host cell.
Complete Answer:
Disease is any kind of illness or health condition in the normal functioning of living beings. Disease is caused mainly by pathogens like bacteria, virus, fungi, protozoa etc. These pathogens invade the living cells and cause pathogenesis. Few common diseases are
Hepatitis- It is an inflammatory disease of the liver. It is caused by viruses hepatitis A, B, C, D, E. Chronic hepatitis can lead to liver failure.
Influenza- It is commonly called as flu. It is caused by influenza virus. It can lead to high fever, sore throat, runny nose.
Malaria-It is a mosquito borne disease caused by Plasmodium. The causative agent is Plasmodium vivax, P. Falciparum etc. It causes high fever shivering.
Polio- It is a viral disease caused by Polio virus. Polio virus enters our body through the mouth. It causes crippled hands and legs.
The correct answer is (C) .Malaria is not caused by viruses.
Note:Malaria is spread by the vector female Anopheles mosquito. It carries the Plasmodium sporozoite. It is diagnosed by a rapid antigen test. The disease can be prevented by preventing insect bites, using insect repellants, mosquito nets and use of antimalarial drugs.
Complete Answer:
Disease is any kind of illness or health condition in the normal functioning of living beings. Disease is caused mainly by pathogens like bacteria, virus, fungi, protozoa etc. These pathogens invade the living cells and cause pathogenesis. Few common diseases are
Hepatitis- It is an inflammatory disease of the liver. It is caused by viruses hepatitis A, B, C, D, E. Chronic hepatitis can lead to liver failure.
Influenza- It is commonly called as flu. It is caused by influenza virus. It can lead to high fever, sore throat, runny nose.
Malaria-It is a mosquito borne disease caused by Plasmodium. The causative agent is Plasmodium vivax, P. Falciparum etc. It causes high fever shivering.
Polio- It is a viral disease caused by Polio virus. Polio virus enters our body through the mouth. It causes crippled hands and legs.
The correct answer is (C) .Malaria is not caused by viruses.
Note:Malaria is spread by the vector female Anopheles mosquito. It carries the Plasmodium sporozoite. It is diagnosed by a rapid antigen test. The disease can be prevented by preventing insect bites, using insect repellants, mosquito nets and use of antimalarial drugs.
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