Multiple choice

Which of the following roots have undergone secondary thickening?

  1. Fine roots

  2. Coarse roots

  3. Contractile roots

  4. Aerial roots
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

These are the roots that have undergone secondary thickening and have a woody structure. These roots have some ability to absorb water and nutrients, but their main function is transport and to provide a structure to connect the smaller diameter fine roots to the rest of the plant.

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