Understanding Vitamin Solubility
Vitamins are essential organic compounds required by the body in small amounts for various metabolic processes. They are broadly classified into two categories based on their solubility:
- Fat-Soluble Vitamins
- Water-Soluble Vitamins
The solubility of a vitamin determines how it is absorbed, transported, stored, and excreted by the body.
Fat-Soluble vs. Water-Soluble Vitamins
Fat-Soluble Vitamins dissolve in fat and oils. They are absorbed along with dietary fats and can be stored in the body's fatty tissues and the liver. Because they can be stored, excessive intake can sometimes lead to toxicity.
Water-Soluble Vitamins dissolve in water. They are readily absorbed into the bloodstream and are generally not stored in the body in significant amounts. Excess amounts are typically excreted in the urine, making toxicity less common compared to fat-soluble vitamins.
Identifying the Water-Soluble Vitamin
Let's examine the options provided:
- Vitamin A: This is a fat-soluble vitamin, crucial for vision, immune function, and skin health.
- Vitamin C: This vitamin dissolves in water. It acts as an antioxidant, supports the immune system, and is vital for collagen production.
- Vitamin D: This is a fat-soluble vitamin, important for calcium absorption and bone health.
- Vitamin K: This is a fat-soluble vitamin, essential for blood clotting and bone metabolism.
Based on their classification:
- Vitamins A, D, and K are fat-soluble.
- Vitamin C is water-soluble.
Therefore, among the given choices, Vitamin C is the one that dissolves in water.
Important Questions from Miscellaneous
A stone is thrown horizontally from the top of a 20 m high building with a speed of 12 m/s. It hits the ground at a distance R from the building. Taking g = 10 m/s2 and neglecting air resistance will give :
A mass is attached to a spring that hangs vertically. The extension produced in the spring is 6 cm on Earth. The acceleration due to gravity on the surface of the Moon is one-sixth of its value on the surface of the Earth. The extension of the spring on the Moon would be:
Directions: Each item in this section consists of a sentence with an underlined word followed by four words (a), (b), (c), and (d). Select the option that is opposite in meaning to the underlined word and mark your response in your Answer Sheet accordingly.
The deluge affected the population.The major source of vitamins and minerals for vegetarians is
Which of the following statements about the Deccan Riots Commission is/are correct?
1. The Commission did not hold enquiries in the districts which were not affected.
2. The Commission did record the statements of ryots, sahukars and eye-witnesses.
Select the correct answer using the code given below:
