Question:
The chief sugar transported in the phloem is
The chief sugar transported in the phloem is
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Phloem transport:
- Sucrose is the main transport sugar.
- Non-reducing and stable.
- Translocated from source to sink.
- Sucrose is the main transport sugar.
- Non-reducing and stable.
- Translocated from source to sink.
Updated On: Aug 27, 2026
- Glucose
- Maltose
- Starch
- Sucrose
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of phloem transport in plants.
Step 2: Detailed Explanation:
The chief sugar transported in the phloem is sucrose (D).
Sucrose is a non-reducing sugar that is soluble and stable for transport.
It is transported from source (leaves) to sink (roots, fruits, seeds).
Other sugars:
- Glucose (A): Not the primary transport sugar.
- Maltose (B): Not a transport sugar.
- Starch (C): Not soluble, stored in plastids.
Thus, sucrose is the main transport sugar in the phloem.
Step 3: Final Answer:
Thus, the chief sugar transported in the phloem is sucrose, which corresponds to option (D).
[0.5cm]
This question tests knowledge of phloem transport in plants.
Step 2: Detailed Explanation:
The chief sugar transported in the phloem is sucrose (D).
Sucrose is a non-reducing sugar that is soluble and stable for transport.
It is transported from source (leaves) to sink (roots, fruits, seeds).
Other sugars:
- Glucose (A): Not the primary transport sugar.
- Maltose (B): Not a transport sugar.
- Starch (C): Not soluble, stored in plastids.
Thus, sucrose is the main transport sugar in the phloem.
Step 3: Final Answer:
Thus, the chief sugar transported in the phloem is sucrose, which corresponds to option (D).
[0.5cm]
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