Biology Class 12 Chapter 19 Growth and Development

The progressive changes which are undergone before an organism acquires its adult’s form constitute: Meristems found at the tips of root and shoot are called: During cell division the number of cells increase by: During elongation the cell volume increases upto 150 due to uptake of: The light which favours elongation of cells is: Metabolic activity and growth can not take place in absence of:


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