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NEETBiologyMorphology of Flowering PlantsClass 11

I keep getting “Stem vs root features” questions wrong in Morphology of Flowering Plants. What's the trap?

calling any underground part a root.

The usual trap: calling any underground part a root. How to avoid it: underground doesn't mean root — look for nodes and buds. Go back to the definition — stems bear nodes, internodes and buds and are usually positively phototropic; roots lack nodes/buds and grow toward gravity.

Key point

Stem vs root features

Common mistake

calling any underground part a root.

Memory tip

underground doesn't mean root — look for nodes and buds.

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