<prompt> True about WHO growth chart is all exceptUsed for monitoring growth and development of childHas 3 linesHighest line corresponds to 80th percentile and aboveLowest line corresponds to 50th percentile and above  <response>: Ans. b Has 3 lines. Ref. PSM, Park, 21st pg. 502GROWTH CHARTS There are 49 different types of growth charts in India Growth charts recommended by government of India have 4 reference curveslines. Top most corresponds to 80 of median of WHO 50th percentile. Lower lines represent 70 , 60 and 50 of that standard. Purpose of these lines is to indicate degree of malnutrition as recommended by IAP Growth charts recommended by government of India shows 3 degrees of, malnutrition. Growth charts in ICDS in India contain 3 lines in addition to standard, represent 80, 60 and 50 of reference Uses:- Monitoring growth- Diagnostic tool- Planning and policy making- Education tool- Tool for action- Tool for teaching- Evaluation of growth and development 