Name the Gymnosperms which contain mycorrhizae and coralloid roots respectively.
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cycas,pinus are the gymnosperms which contain corollaid and mycorhizae in roots..
hope it helps u. ....
hope it helps u. ....
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Answer:
Pinus contain mycorrhizae roots.
Cycas contain coralloid roots.
Explanation:
Gymnosperm are mostly evergreen perennial plants.They are mostly shurbs or trees.
Mycorrhiza root
- Pinus has a deep root system in which main root does not go deep into the soil but the lateral roots extensively well spread out.
- They show symbiotic association with fungus known as Mycorrhiza.It increase the uptake of water, minerals and Phosphorus by the plants.
Coralloid roots
- In some plants adventitious roots arise from primary roots.
- The root forms a symbiotic association with Cyanobacteria which helps in nitrogen fixation from the atmosphere.
- Due to presence of cyanobacteria the root shape become coralloid.
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