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In an experiment, a student cut a transverse section of young stem of a plant which he has taken from his school garden.
After observing it under the microscope how would he ascertain whether it is a monocot stem or a dicot stem?

A. With the help of bulliform cells.

B. With the help of casparian strips.

C. With the help of vascular bundles.

D. With the help of stomatal apparatus.

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