Eduqo
General Science›Ch 3: Biology›Nutrition, Vitamins and Minerals
Master essential nutrients and their deficiency diseases for competitive exams
Vitamins and minerals are micronutrients that regulate metabolism and prevent deficiency diseases, while macronutrients provide energy.
Smart Memory Hooks
| Nutrient | Source | Deficiency Disease |
|---|---|---|
| Vitamin A | Carrot, Milk | Night Blindness |
| Vitamin C | Citrus fruits | Scurvy |
| Vitamin D | Sunlight, Fish | Rickets |
| Iodine | Iodized salt | Goitre |
Vitamin B12
(Cobalt containing)
Cobalt containing
Essential for red blood cell formation and nervous system.
Vitamin K
(Blood clotting factor)
Blood clotting factor
Helps in quick coagulation of blood during injuries.
Calcium
(Strong bones & teeth)
Strong bones & teeth
Found abundantly in milk and dairy products.
Vitamin E
(Beauty and fertility)
Beauty and fertility
Acts as an antioxidant protecting cell membranes.
Vitamin C can be stored in the bodyVitamin C is excreted through urine
Water-soluble vitamins cannot be stored long-term and wash out daily.
Sunlight directly gives Vitamin DSunlight activates Vitamin D in skin
UV rays convert cholesterol in skin into active Vitamin D.
All vitamins provide direct caloriesVitamins provide zero calories
They only regulate body chemistry, not act as fuel sources.
Q1.Which vitamin deficiency causes Scurvy?
Q2.Goitre is caused by the deficiency of which mineral?