PPT Food - Science & Pedagogy Paper 2 for CTET & TET Exams - CTET & State TET

 Page 1


F o o d
Page 2


F o o d
What is Food?
1
Energy Source
Food powers daily activities for all living beings.
2
Multiple Components
Various parts provide energy and support growth 
roles.
3
Balanced Nutrition
Clean, balanced food ensures healthy body and 
mind.
Page 3


F o o d
What is Food?
1
Energy Source
Food powers daily activities for all living beings.
2
Multiple Components
Various parts provide energy and support growth 
roles.
3
Balanced Nutrition
Clean, balanced food ensures healthy body and 
mind.
Importance of Food
Energy Source
Basic source of energy for all living organisms.
Cell Building
Provides chemical substances needed for building new cells and 
tissues.
Repair Function
Supplies nutrients for repair of old worn-out cells.
Immune Support
Provides resistance against diseases and protects from infections.
Page 4


F o o d
What is Food?
1
Energy Source
Food powers daily activities for all living beings.
2
Multiple Components
Various parts provide energy and support growth 
roles.
3
Balanced Nutrition
Clean, balanced food ensures healthy body and 
mind.
Importance of Food
Energy Source
Basic source of energy for all living organisms.
Cell Building
Provides chemical substances needed for building new cells and 
tissues.
Repair Function
Supplies nutrients for repair of old worn-out cells.
Immune Support
Provides resistance against diseases and protects from infections.
Sources and Components of Food
Plant Sources
Cereals, pulses, 
vegetables, fruits, oil 
seeds, tea, coffee, 
spices.
Animal Sources
Milk, butter, cheese, 
eggs, meat, fish, and 
honey products.
Macronutrients
Need large amount: 
carbohydrates, 
proteins, fats, 
calcium.
Micronutrients
Needed in small 
amounts: vitamins 
and trace minerals.
Page 5


F o o d
What is Food?
1
Energy Source
Food powers daily activities for all living beings.
2
Multiple Components
Various parts provide energy and support growth 
roles.
3
Balanced Nutrition
Clean, balanced food ensures healthy body and 
mind.
Importance of Food
Energy Source
Basic source of energy for all living organisms.
Cell Building
Provides chemical substances needed for building new cells and 
tissues.
Repair Function
Supplies nutrients for repair of old worn-out cells.
Immune Support
Provides resistance against diseases and protects from infections.
Sources and Components of Food
Plant Sources
Cereals, pulses, 
vegetables, fruits, oil 
seeds, tea, coffee, 
spices.
Animal Sources
Milk, butter, cheese, 
eggs, meat, fish, and 
honey products.
Macronutrients
Need large amount: 
carbohydrates, 
proteins, fats, 
calcium.
Micronutrients
Needed in small 
amounts: vitamins 
and trace minerals.
Carbohydrates
Energy Source
1g yields 4 kcal (16.8 kJ) of energy. Called energy-giving 
foods.
Types
Sugars (glucose, fructose), starch (rice, wheat), and 
cellulose (roughage).
Storage
Excess stored as glycogen in liver and muscles or as fat 
under skin.