Material required –
onion peel,
watch glass, glass slide, cover slip, paint brush, microscope, water
Method – Cut an onion and obtain an inner
fleshy tissue as shown in the diagram. Remove a peel from inner or outer
surface of it and transfer it on to a watch glass containing water. Put a water
drop on to a clean glass slide and transfer the specimen on to the slide using
a paint brush. Cover slip without trapping any air bubbles and observe it
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