Chart depicting Lifecycle of Silkmoth

The silkworm produces the silk of commercial importance.The above chart depicts the four distinct stages in the life cycle of silk moth ;egg , larvae ,pupa and cocoon.This chart was used as a teaching aid for the students of Std.VII for better understanding of the concept.At the end of the class the students were able to recollect the serial progression of the 4 stages of the life cycle.