Food can be classified into: Energy-giving food-------- Carbohydrates and fats Body Building Food -------Proteins Protective Food-------------Minerals and Vitamins Carbohydrates, proteins, fats, vitamins, minerals, water and roughage are seven essential components of t…

Depending upon the presence or absence of flowers and seeds entire plant kingdom is divided into two types. They are Cryptogamae and Phanerogamae. 1. Cryptogamae: Cryptogams include all non-flowering plants such as algae, fungi, lichens, mosses and fern (K…

Photosynthesis means synthesis of food with the help of sunlight. The overall equation of photosynthesis is Photosynthesis process takes place only in green parts of the plant, mostly in leaves and to lesser extent in green stems or floral parts of the plants. Lea…

Vitamin Function Deficiency Sources A-Retinol For normal growth in children. To maintain conjunctiva aids in night vision. To maintain skin and mucous membrane. Roughness and dry skin. Inability to see in dim light. X…

Important Respiratory Organs: The human respiratory system consists of external nares or nistrils, nasal cavity, nasopharnyx, larynx, trachea, bronchi, bronchiole and lungs. The air enters into the nasal cavity through the nostrils. Larynx is a small box and it forms …