Question

answer with explanation..​

Answer 1

Answer: (d) Cycas .

Explanation:

• Cycas has coralloid roots, which are irregular, negativity geotropic, dichotomousely branched coral like roots.
• They do not possess root hair's and root caps .
• Cyanobacteria like Nostoc and Anabaena are present in coralloid roots .
• They have a symbiotic relationship with these roots.

Hope it's helpful to you.

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Answer 2

Answer:

D option is the correct answer.

Explanation:

A cyanobacteria Anabaeana cycadae is associated with corroloid roots of Cycas.

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