JSS 1 First Term Agricultural Science Lesson Note – Classification Based on Source of Food Nutrients

i. Cereals: e.g maize, rice, millet etc.

ii. Root and tubers : e.g cassava, yam, sweet potato, (Corm e.g cocoyam,)

Others include

iii. Fruits e.g plantain, banana, sugarcane

iv. Roughages e.g forages in forms of hay, silage and soilage.

v. Agro-industrial by-products e.g molasses (remnant of sugar cane after removing the juice), Brewer’s Dry Grains (BDG), rice bran, wheat offal etc.

Fatty seeds like cotton, sun-flower, breadfruit.

2. Excess protein is used for energy and heat production or may be transformed to fat.

2. Improve appearance and palatability of food.