PHOTOSYNTHESIS

Photosynthesis is a process by which plant prepare their food from carbon dioxide and water with the help of sunlight in the presence of chlorophyll. About 90% of photosynthesis is carried out by aquatic plants. Word ‘Photosynthesis’ comprises of two words ‘photo’ & ‘synthesis. Photo means light and synthesis means preparation. Thus photosynthesis is a […]

NUTRITION

The process of intake of food and its utilization by the body is called as nutrition. Depending on the mode of obtaining nutrients all the organisms, broadly classified into two groups: (1) Autotrophic                             (2) Heterotrophic AUTOTROPHIC NUTRITION: Auto – self; troph – nutrition. The mode of nutrition in which organisms prepare their own food from […]

NUTRITION

The processes which perform various functions of the body and are essential for the maintenance of life are called life processes. One of the life processes of the body is Nutrition. NUTRITION: The process of intake of food and its utilization by the body is called as nutrition. Depending on the mode of obtaining nutrients […]