Coralloid roots have a symbiotic association | vedclass

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Question

(B) Coralloid roots are specialized roots found in the genus $Cycas$ (a gymnosperm). These roots show a symbiotic association with nitrogen-fixing cya

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Nitrogen-fixing cyanobacteria

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(B) Coralloid roots are specialized roots found in the genus $Cycas$ (a gymnosperm). These roots show a symbiotic association with nitrogen-fixing cyanobacteria,such as $Anabaena$ or $Nostoc$. These bacteria reside in the cortical cells of the coralloid roots and help in the fixation of atmospheric nitrogen,which is beneficial for the plant.

Coralloid roots have a symbiotic association with

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$A$ : Endosperm in $Cycas$ is haploid in nature.
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