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Coralloid roots are the characteristics ...

Coralloid roots are the characteristics of `:`

A

Leguminous plants

B

Cycas

C

Ferns

D

Mosses

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The correct Answer is:
To solve the question "Coralloid roots are the characteristics of:", we need to identify which group of plants is associated with coralloid roots. Here’s a step-by-step solution: ### Step-by-Step Solution: 1. **Understand the Term "Coralloid Roots":** - Coralloid roots are specialized roots that are typically found in certain plants. They are characterized by their coral-like appearance and are involved in symbiotic relationships with nitrogen-fixing organisms. 2. **Identify the Plants Associated with Coralloid Roots:** - Coralloid roots are primarily associated with the plant genus **Cycas**, which is a type of gymnosperm. 3. **Explore the Characteristics of Coralloid Roots:** - These roots are known to host nitrogen-fixing cyanobacteria, which help the plant in nitrogen assimilation, making them crucial for the plant's growth in nitrogen-poor soils. 4. **Differentiate Between Plant Groups:** - While leguminous plants have roots that associate with Rhizobium bacteria for nitrogen fixation, coralloid roots specifically refer to those found in Cycas, a gymnosperm. Ferns and mosses do not have coralloid roots. 5. **Conclusion:** - Based on the above points, we can conclude that coralloid roots are characteristic of **Cycas**, which is a gymnosperm. ### Final Answer: Coralloid roots are the characteristics of **Cycas** (a genus of gymnosperms). ---
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