Three of the following four options are alike in a certain way and opt...
Except (A), all are caused by virus
Rickets is a deficiency disease.
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Three of the following four options are alike in a certain way and opt...
Understanding the Options
In this question, we are presented with four health conditions: Rickets, Influenza, Swine flu, and AIDS. We need to identify which one does not belong to the group.
Classification of Illnesses
- Rickets:
- A bone disorder caused by a deficiency of vitamin D, calcium, or phosphate.
- Primarily affects children and leads to softening and weakening of bones.
- Influenza:
- A viral infection that attacks the respiratory system.
- Commonly known as the flu and affects many people annually.
- Swine Flu:
- A specific strain of influenza virus that originated in pigs.
- Transmitted between humans and can cause severe respiratory symptoms.
- AIDS:
- Acquired Immunodeficiency Syndrome caused by the HIV virus.
- Affects the immune system, making the body vulnerable to infections.
Identifying the Odd One Out
- Nature of Illness:
- Influenza and Swine flu are both viral infections that primarily affect the respiratory system and are contagious.
- AIDS is a chronic illness caused by a virus that affects the immune system, also contagious.
- Non-contagious Condition:
- Rickets is not contagious and is caused by nutritional deficiencies rather than an infectious agent.
Conclusion
Given this classification, Rickets is the odd one out because:
- It is not caused by a virus.
- It does not spread from person to person.
- It results from a nutritional deficiency, unlike the other three options that are viral infections.
Thus, the correct answer is option 'A', Rickets, as it does not belong to the group of contagious viral illnesses.