Questions
2 questions per paper
Difficulty
Easy
Importance
High scoring, foundational for EVS
Overview
The study of 'Food' for teacher eligibility exams focuses on nutritional classifications, dietary habits across diverse Indian regions, and foundational preservation techniques. It is a critical component of Environmental Studies (EVS) that tests the aspirant's ability to simplify biological and chemical concepts for primary school curricula.
Food Sources & Nutrients
This section covers the primary biological sources of food (plants and animals) and the classification of macronutrients and micronutrients. Understanding the deficiency diseases associated with vitamin and mineral imbalances is a standard testing area for CTET and state TETs.
- Carbohydrates provide 4 kcal/g of energy
- Vitamin A deficiency leads to Night Blindness
- Protein deficiency causes Kwashiorkor and Marasmus
- Plants are primary producers in the energy pyramid
- Iron deficiency results in Anemia
Food Habits & Regional Variations
Questions often focus on the staple foods and cooking habits of specific Indian states and tribal regions. Aspirants must relate geographical availability, such as coastal fish-based diets or desert-region plant adaptations, to the actual food habits of the local populations.
- Tapioca is a staple in Kerala
- Sarson ka Saag is traditional to Punjab
- Mustard oil is the primary cooking medium in Bengal
- Desert regions consume high quantities of dried legumes
- Bamboo shoots are widely consumed in Northeast India
Food Preservation Techniques
Preservation methods prevent microbial spoilage by controlling moisture, pH, and temperature. Exam questions frequently ask to match a specific food item with its traditional preservation method, often focusing on household techniques over industrial ones.
- Drying removes water to inhibit bacterial growth
- Salting and Sugaring create osmotic pressure
- Boiling/Pasteurization kills heat-sensitive pathogens
- Pickling uses vinegar/oil to create an acidic, anaerobic environment
- Refrigeration slows down enzymatic decomposition
Exam Tip
Focus on the NCERT Class 3-5 EVS textbook content, as almost all factual questions are lifted directly from these specific chapters.
Common Mistakes
- Confusing symptoms of vitamin deficiencies with mineral deficiencies
- Failing to differentiate between traditional home preservation methods and industrial chemical processes
- Overlooking the regional geographical context for diet patterns in specific states
More Revision Notes
Ready to test yourself?
Play topic-wise Food questions in Aspirant Arcade — gamified MCQ practice.
Download Free