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Question

Nodes are important part of the stem because


  1. It helps in vegetative propagation

  2. It is the point of leaf growth

  3. It marks the end of the stem

  4. It is necessary for stem growth


Solution

The correct option is B

It is the point of leaf growth


Nodes on the stem mark the point from where the branches and the leaves emerge. While in some plants the nodes may help in vegetative propagation, the most important role of nodes is the leaf formation.

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