Review the key concepts, formulae, and examples before starting your quiz.
🔑Concepts
Nutritional Deficiencies: These are diseases caused by a lack of essential nutrients such as vitamins, minerals, proteins, and carbohydrates in the diet over a long period.
Anemia: A condition caused by the deficiency of () in the blood. It results in a low level of , which is the pigment responsible for carrying oxygen.
Symptoms of Anemia: A person suffering from anemia feels tired, weak, and may have pale skin and brittle nails due to the lack of sufficient oxygen transport in the body.
Vitamin A Deficiency: Causes Night Blindness, where the person has difficulty seeing in dim light. Sources include carrots, papaya, and leafy greens.
Vitamin B Deficiency: Leads to Beriberi, affecting the nervous system and muscles.
Vitamin C Deficiency: Causes Scurvy, characterized by bleeding gums and slow healing of wounds. Found in citrus fruits like (Lemon).
Vitamin D and Mineral Deficiency: Lack of or () leads to Rickets, making the bones soft and bent.
Iodine Deficiency: Lack of () leads to Goitre, which causes an abnormal swelling in the neck region (thyroid gland).
📐Formulae
💡Examples
Problem 1:
A 10-year-old student frequently feels dizzy, looks pale, and gets tired quickly during P.E. lessons. A blood test shows low levels. Identify the condition and suggest two food items to include in the diet.
Solution:
The student is suffering from Anemia caused by () deficiency. They should consume foods like spinach (leafy vegetables) and jaggery.
Explanation:
is essential for the production of . Increasing intake helps the blood carry more oxygen, which restores energy levels.
Problem 2:
Match the following deficiency with the correct nutrient: (a) Scurvy, (b) Goitre, (c) Night Blindness.
Solution:
(a) , (b) (), (c) .
Explanation:
Each specific nutrient plays a unique role; for example, is required by the thyroid gland, and is vital for the retina in the eyes.