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In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?

1. All parts
2. Stem and root
3. Flowers, fruits and leaves
4. Shoot tips and root tips

Correct answer: Shoot tips and root tips

Solution

Shoot tips and root tips are the only parts that mainly retain primary tissues because they are the sites of active primary growth. In woody dicots, older stems and roots undergo secondary growth, while leaves, flowers, and fruits are specialized organs not mainly composed of primary tissues.

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