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ICSE Class 6 Biology Question 5 of 16

Disease and Hygiene — Question 5

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5
Question

Question 5

Write 'True' and 'False' against each of the following statements :

  1. Malaria is an infectious disease.
  2. Rickets is caused due to the deficiency of vitamin A.
  3. Viruses carry germs from garbage and sewage.
  4. Filarial germs are transmitted by the bite of female Culex mosquito.
  5. Nightblindness is the disease in which people are not able to see at night even if light is available.
Answer

  1. True
    Reason — Malaria is a disease caused by a protozoan transmitted by mosquito bites, making it an infectious disease.

  2. False
    Reason — Rickets is caused due to the deficiency of vitamin D.

  3. False
    Reason — Houseflies, not viruses carry germs from garbage and sewage. Viruses infect cells and replicate within them.

  4. True
    Reason — Filarial germs are transmitted by the bite of female Culex mosquito.

  5. True
    Reason — Nightblindness is the Vitamin A deficiency disease in which people are not able to see at night even if light is available.