NEET Exam > NEET Videos > Chemistry Class 12 > Vitamins: Classification & Uses
Vitamins: Classification & Uses Video Lecture | Chemistry Class 12 - NEET
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FAQs on Vitamins: Classification & Uses Video Lecture - Chemistry Class 12 - NEET
| 1. What are vitamins and how are they classified? |  |
Ans. Vitamins are organic compounds that are essential for the proper functioning of the human body. They are classified into two categories: fat-soluble vitamins (A, D, E, and K) and water-soluble vitamins (B-complex vitamins and vitamin C). Fat-soluble vitamins can be stored in the body's fatty tissues, while water-soluble vitamins need to be consumed regularly as they are not stored in large amounts.
| 2. What are the uses of vitamins in the body? | |
Ans. Vitamins play crucial roles in various bodily functions. Vitamin A is essential for vision, immune function, and cell growth. Vitamin D helps in the absorption of calcium and promotes bone health. Vitamin E acts as an antioxidant and protects the body's cells from damage. Vitamin K is important for blood clotting. B-complex vitamins and vitamin C are involved in energy production, immune function, and the synthesis of various molecules in the body.
| 3. What happens if you have a deficiency of vitamins? | |
Ans. Deficiency of vitamins can lead to various health problems. For example, vitamin A deficiency can cause night blindness and weakened immune system. Vitamin D deficiency may result in rickets (softening of bones) in children and osteomalacia (weakening of bones) in adults. Lack of vitamin C can cause scurvy, which is characterized by fatigue, joint pain, and bleeding gums. Deficiencies of B-complex vitamins can lead to conditions like beriberi, pellagra, and anemia.
| 4. Can you get all the necessary vitamins from your diet alone? | |
Ans. It is possible to obtain most of the necessary vitamins through a balanced diet that includes a variety of fruits, vegetables, whole grains, lean proteins, and dairy products. However, some individuals may have specific dietary restrictions or health conditions that make it difficult to meet their vitamin requirements solely through diet. In such cases, vitamin supplements may be recommended by healthcare professionals to ensure adequate intake.
| 5. Are there any risks associated with consuming excess vitamins? | |
Ans. Yes, consuming excessive amounts of certain vitamins can have negative effects on health. Fat-soluble vitamins, such as vitamin A and vitamin D, can accumulate in the body and reach toxic levels if consumed in excess. This can lead to symptoms like nausea, vomiting, and even organ damage. Water-soluble vitamins, on the other hand, are generally excreted in the urine if consumed in excess. However, extremely high doses of certain water-soluble vitamins, like vitamin C, may cause digestive upset or diarrhea. It is important to follow recommended daily allowances and consult with a healthcare professional before taking high-dose vitamin supplements.
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Nov 21, 2024 Last updated |
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