INSIGHT UPSC QUIZ

Science & Technology General Science
Q.

Read the following statements carefully:

1. Vector-borne diseases are caused by parasites, viruses and bacteria. 

2. Skin infections are generally caused by different kinds of fungi.

3. Elephantiasis is a disease caused by different species of worms.

Which of the statement(s) given above is/are correct?

Explanation:

ANSWER: (D) 

  • Statement 1 is correct.

Vector-borne diseases are human illnesses caused by parasites, viruses and bacteria that are transmitted by vectors.

  • Statement 2 is correct.

Common examples of diseases caused by viruses are the common cold, influenza, dengue fever and AIDS. Diseases like typhoid fever, cholera, tuberculosis and anthrax are caused by bacteria. Many common skin infections are caused by different kinds of fungi. Protozoan microbes cause many familiar diseases, such as malaria and kala-azar. 

  • Statement 3 is correct.

All of us have also come across intestinal worm infections, as well as diseases like elephantiasis caused by different species of worms. Elephantiasis is caused by worm Wuchereria bancrofti and infects the lymphatic system.

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