Question

The carbohydrate synthesized in the leaves is transported through sieve tubes in the form of

• A. Glucose
• B. Triose sugar
• C. Sucrose
• D. Soluble starch

Answer 1

The correct option is C Sucrose

Sugars are synthesized as glucose and fructose, translocated as sucrose and stored as starch for long term storage in plants. Translocation of organic nutrients from the region of source or supply to the region of utilization is mostly in the form of sucrose. The source are the leaves where the photosynthesis takes place. The sieve tubes in the phloem is the pathway for this translocation of sugar in the form of sucrose.

Thus, the correct answer is option C.