Explanation

During exposure to sunlight 7-dehydrocholesterol in the skin absorbs UV B radiation and

is converted to previtamin D3 which in turn isomerizes into vitamin D3.

agm 15.3.2023

Explanation

Ascorbic acid, also known as vitamin C, is a water-soluble vitamin that is essential for various bodily functions, such as:

• Collagen production
• Wound healing
• Iron absorption
• Antioxidant functions

Vitamin C is one of the most well-known vitamins and is found in many fruits, vegetables, and other foods.

Explanation

A single guava fruit, weighing 100 grams, has over 200mg of Vitamin C content ,

which is almost twice as high as that in an orange

Explanation

Casimir Funk discovered Vitamins in the year 1912.

Explanation

Vitamin D is essential for: Strengthening bones and teeth and Preventing Rickets, a disease characterized by:

• Soft and weak bones
• Skeletal deformities
• Stunted growth
• Regulating calcium levels and bone mineralization

Explanation

Glucose, a form of sugar, is the primary source of energy for every cell in the body.

Because the brain is so rich in nerve cells, or neurons, it is the most energy-demanding organ, using one-half of all the sugar energy in the body.

Explanation

Oranges are well-known for being rich in Vitamin C,

It is essential for immune function, skin health, and other bodily processes.

While potatoes do contain Vitamin C, oranges are generally considered the best source.

Explanation

Fruit and vegetables are a good source of vitamins and minerals

 including vitamin C and potassium.

Explanation

Vitamins B and C are water-soluble vitamins, meaning they dissolve easily in water.

• Vitamin B: Includes several B vitamins (B1, B2, B3, etc.), all of which are water-soluble.
• Vitamin C (Ascorbic acid): Also highly soluble in water.

Explanation

• Exposure to sunlight triggers the production of vitamin D in the skin.
• Specifically, ultraviolet B (UVB) rays from the sun interact with a compound called 7-dehydrocholesterol, converting it into vitamin D3 (cholecalciferol).
• Vitamin D is essential for calcium absorption, bone health, and immune system regulation.