Nutrition & Health

Master this topic with zero to advance depth.

ЁЯОУ

Written & Reviewed By

Course4All Subject Experts

тЬУ

Trust Signal

Verified for 2026 Exam Pattern

Biology Decoder: The Fuel of Life

Phase 1: The Foundation (What is Nutrition?)

Nutrients are the raw materials your body needs for energy, growth, and repair. A "Balanced Diet" contains all these in correct amounts.

Phase 2: The Core Logic (Nutrients & Vitamins)

1. The Energy Players

  • Carbohydrates: Quick energy. (Rice, Potato, Sugar).
  • Fats: Stored energy. Protects organs. (Butter, Oil).
  • Proteins: Bodybuilding. Muscle repair. (Pulses, Eggs).

2. The Vitamin Table (Micronutrients)

VitaminChemical NameDeficiency DiseaseSource
Vit ARetinolNight BlindnessCarrot, Papaya
Vit B1ThiamineBeri-BeriRice bran
Vit CAscorbic AcidScurvyLemon, Amla
Vit DCalciferolRicketsSunlight, Milk
Vit KPhylloquinoneClotting failureGreen veggies

Phase 3: The Exam Edge (Minerals & Water)

1. Essential Minerals

  • Iron (Fe): Makes Hemoglobin. Deficiency ightarrow ightarrow Anemia.
  • Iodine (I): Maintains Thyroid health. Deficiency ightarrow ightarrow Goitre.
  • Calcium (Ca): Strong bones and teeth.

2. Modern Health Threats

  • Diabetes: Pancreas fails to make enough Insulin.
  • Kwashiorkor: Severe Protein deficiency in children.
  • Marasmus: Overall energy (Calorie) deficiency.

[!TIP]
Vit C Fact: Vitamin C is very sensitive to heat. It gets destroyed if food is overcooked.

ЁЯОУ

Course4All Editorial Board

Verified Expert

Subject Matter Experts

Comprising experienced educators and curriculum specialists dedicated to providing accurate, exam-aligned preparation material.

Pattern: 2026 Ready
Updated: Weekly