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A stem functioning as photosynthetic org...

A stem functioning as photosynthetic organ is

A

Phyllode

B

Phylloclade

C

Culm

D

Caudex

Text Solution

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The correct Answer is:
To solve the question "A stem functioning as a photosynthetic organ is," we will analyze the options given and determine which one correctly identifies a stem that has adapted to perform photosynthesis. ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for a type of stem that functions as a photosynthetic organ. This means we are looking for a stem that has taken on the role typically associated with leaves in the process of photosynthesis. 2. **Analyzing the Options**: - **Option 1: Phyllo**: This term is not commonly used in botany to refer to a stem that performs photosynthesis. - **Option 2: Phylloclate**: This term refers to a modified stem that has flattened and takes on the function of a leaf, particularly in certain plants like Opuntia (cacti). - **Option 3: Culm**: This term refers to a type of stem, particularly in grasses, but does not specifically indicate a photosynthetic function. - **Option 4: Cortex**: This refers to the outer layer of a stem or root and is not involved in photosynthesis. 3. **Identifying the Correct Option**: Among the options, **Phylloclate** (Option 2) is the only one that describes a stem that has been modified to perform photosynthesis, similar to leaves. 4. **Conclusion**: Therefore, the correct answer to the question is **Phylloclate**. ### Final Answer: The stem functioning as a photosynthetic organ is **Phylloclate**. ---
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