Question

What are the modifications of a root?
(100 points)​

Answer 1

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⭐The modifications of roots are:

✔1.STORAGE ROOT:
Primary roots modifies to store food and assumes different shapes. E.G: Tap root of carrot, radish, turnip,beet and adventitious roots of sweet potato get swollen and stores food.

✔2.RESPIRATORY ROOTS:
In some plants such as Rhizophora, many roots come out of the ground vertically to get oxygen for respiration. Such rpots are called pneumatophores.

✔3.PROP ROOTS:
These roots arises from the branches of stem for providing protection to the heavy branches pillars. E.G: Banyan.

✔4. STILT ROOTS:
These roots arises from the lower nodes of stem and provides support to the main plant axis and enters the soil obliquely. E.G: Sugarcane, Maize, etc.

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Answer 2

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$\huge\text{\underline{Answer:}}$


Structural and functional changes in the roots to adapt to their environment are called root modifications.


$\text{\underline{a)\:Baniyan\:tree:}}$


⚫It has prop roots hanging from its branches.


$\text{\underline{b)\:Turnip:}}$


⚫The root is round and modified to store reserve food.


$\text{\underline{c)\:Mangroves:}}$


⚫Mangroves are blocked with water hence the roots cannot breathe. Hence these aerial root modifications.


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