In dicot plants, vascular cambium is a cylinder of actively dividing cells between
Correct answer: A. Primary xylem and Primary phloem
- A. Primary xylem and Primary phloem
- B. Primary xylem and Secondary xylem
- C. Primary xylem and secondary phloem
- D. Primary phloem and secondary phloem
Explanation
In a dicot stem, the vascular cambium is located between the primary xylem and primary phloem. So option A is correct. All other options give wrong combinations.
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About Plant Nutrition and Transport
Plants require macronutrients and micronutrients for growth, and mineral deficiencies produce recognizable symptoms. Transport involves water and minerals through xylem by transpiration pull, cohesion and adhesion, while phloem translocates sugars from sources to sinks. Root pressure and transpiration are distinct mechanisms.
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