MCQ Detailed View

Vitamins are essential nutrients that help the body grow, function properly, and fight diseases. They are needed in small amounts but have a big impact on health. Certain vitamins, like Vitamin C, Vitamin D, and Vitamin A, play a key role in strengthening the immune system, which protects the body against infections caused by bacteria, viruses, and other harmful agents.

• 
  

  Vitamin C helps in the production of white blood cells, which are the body’s main defense against disease.

  
  


• 
  

  Vitamin D regulates immune responses and helps prevent respiratory infections.

  
  


• 
  

  Vitamin A maintains healthy skin and mucous membranes, which act as a barrier to germs.

  
  

Other nutrients like minerals and carbohydrates are important for health and energy, but they do not directly protect the body from diseases. Minerals support bones, teeth, and enzymes, while carbohydrates provide energy. Vitamins, on the other hand, are directly linked to immunity and disease prevention.

Consuming a balanced diet rich in fruits, vegetables, dairy products, and other vitamin sources ensures the body gets enough vitamins. A deficiency in vitamins can lead to weakened immunity and increased susceptibility to illnesses.

Understanding the role of vitamins in protecting against diseases is a key part of biology, particularly in human nutrition and health sciences. Students learning this concept can appreciate how diet affects immune function and overall well-being.

In short, vitamins protect us from diseases by supporting the immune system and keeping the body strong against infections.