3 public questions tagged with this topic.
The vascular tissue system, consisting of xylem and phloem, is responsible for the conduction of water, nutrients, and food in plants.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Tissue System - Epidermal Ground and Vascular
Go with B — Different sieve tubes carry flow in opposite directions. Under PHLOEM TRANSLOCATION, this is the standard explanation you’d use in class: it names the real driver or definition, while the rest are nearby but wrong. Not these: A) Phloem sap flows both ways in one sieve tube; C) Diffusion occurs freely; D) Xylem assists phloem. When two options sound similar, choose the one that matches the textbook definition most tightly.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
Pick C: Cell walls and intercellular spaces. Thinking through MINERAL Transport step by step rules out the lookalikes and leaves Cell walls and intercellular spaces. Skip these: A) Cytoplasm; B) Plasmodesmata; D) Vacuoles. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
