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Showing posts from May, 2019

Exceptional Children

                                Exceptional Children Who are Exceptional Children? Meaning....  The meaning of exceptional children is the children Which are away from normality. it means the exceptional children do that is not done by the normal children. They are generally away from normal behaviour of the normal children. So we can say that exceptional children may be the extra-ordinary talented children or backward children in any work or education field....  According to Crow and Crow- "The term 'exceptional' is applied to a trait or to a person possessing trait up to the extent of deviation from normal possession of the trait so great that because of it the individual warrants or receives special attention from his fellows and his behaviour responses and activities are thereby affected." According to Jersild, Telford and Sawarey- "The term exceptional is commonly applied to the children who differ notably from the average children" A

Cell

                                              Cell Cell is the Fundamental, structural and functional unit of any organism. Discovery of the cell- Cell is discovered by " An English Scientist Robert Hooke  in 1665. He saw hive like structure in the bark of a stem of a tree under a self made microscope. This microscope was v simple type. He saw that there are some hives like structure  in the cork of stem. He told this ' cell'  whose  meaning is " Little room" in latin Language. He also published a book " Micrographia" in 1665. Antony Leeuwenhoek was a microscopist who made an improved microscope in 1674. and discovered the free living cells like Amoeba,bacteria  Paramecium,chlamydomonas  ( algal cell) in pond water. He  identified the sperm cells of human being, dogs, rabbit, frogs and insects etc.                   Antony Van Leeuwenhoek Amoeba(Cell) A typical bacterium Cell Robert Brown