Question

Name the Gymnosperms which contain mycorrhizae and coralloid roots respectively.

Answer 1

cycas,pinus are the gymnosperms which contain corollaid and mycorhizae in roots..



hope it helps u. ....

Answer 2

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.