Page 1 - Home Assignment II
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SAI International School
                                           Subject- Biology, Class- IX
                                                 Chapter- Tissues
                                Subtopic- Plant Tissue, Meristematic Tissue
                                                      Module- 9
                                        Home Assignment – II (Activity)


               LAB ACTIVITY 1

               Activity- 6.1 (NCERT)

               Aim-To observe growth of roots in onion bulb

               How to proceed:













                                     Take two glass jars and fill them with water.


                                Now, take two onion bulbs and place one on each jar.


                            Observe the growth of roots in both the bulbs for a few days.


                                    Measure the length of roots on day 1, 2 and 3.


                On day 4, cut the root tips of the onion bulb in jar 2 by about 1cm. After this observe

                 the growth  of roots in both the jars and  measure  their  length  each day  for  five
                       more days and  record  the  observations  in tables,like the table below.

               Observation:

               Length          DAY-1          DAY-2           DAY-3          DAY-4          DAY-5

               JAR-1

               JAR-2
   1   2