Anvi wanted to study the cells in root tip. For this, she prepared onion root tips by putting the
onion bulb on the mouth of the glass tumbler. She observed the growth of roots for a few days
till they grew nearly to an inch. Later she has taken the onion out and had cut some of the root
tips.
She observed the root tip under a microscope by preparing a glass slide using water, glycerine,
cover slip. She then made a record of her observations. Later she marked the cut ends with a
marker and placed the onion on the glass tumbler and kept it aside for few days. After few days
she observed the roots of onion again 1. Write any one precaution to be taken while doing the above activity.
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