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In lichens , the phycobiont and mycobion...

In lichens , the phycobiont and mycobiont are .............and ……....., respectively.

A

heterotrophic, autotrophic

B

heterotrophic, heterotrophic

C

autotrophic, heterotrophic

D

autotrophic , autotrophic

Text Solution

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The correct Answer is:
To solve the question regarding the components of lichens, we need to identify the roles of the two main partners involved in this symbiotic relationship. ### Step-by-Step Solution: 1. **Understanding Lichens**: - Lichens are a symbiotic association between two different organisms: fungi and algae. 2. **Identifying the Components**: - In this association, the algal component is referred to as the **phycobiont**. - The fungal component is referred to as the **mycobiont**. 3. **Defining the Roles**: - The **phycobiont** (algal part) is responsible for photosynthesis. This means it can produce its own food using sunlight, making it an **autotroph**. - The **mycobiont** (fungal part) does not perform photosynthesis. Instead, it absorbs water and nutrients from the environment, making it a **heterotroph**. 4. **Conclusion**: - Therefore, in lichens, the phycobiont is **autotroph** (algal part) and the mycobiont is **heterotroph** (fungal part). ### Final Answer: In lichens, the phycobiont and mycobiont are **autotroph** and **heterotroph**, respectively. ---
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