SS1 Biology – Modes  of Nutrition

MODE OF NUTRITION 1. Autotrophic Nutrition is the type of nutrition in which the organisms can manufacture their food. Organisms that can manufacture or synthesize their food are called autotrophs. Autotrophic nutrition is carried out

SS2 Chemistry – Chlorine and Other Halogens

HALOGENS The halogens are the group VII elements. The family comprises of fluorine, chlorine, bromine, iodine and astatine. Each member of the family contains 7 electrons at the valence shell.

SS2 Agric. Science – Farm Surveying 

MEANING OF FARM SURVEYING Farm surveying is defined as the process by which the measurement of land is made on the farm. Such measurements by tables, plans, or layouts are