Free NEET Biology multiple-choice questions on Phloem Transport. Attempt each question and reveal the answer with a full explanation.
What is the direction of movement of sugars in phloem? (1) Bi-directional (2) Non-multidirectional (3) Upward (4) Downward “Girdling Experiment” was performed by Plant Physiologists to identify the plant tissue through which: food is transported for both water and food transportation osmosis is observed water is transported The substance known as P-protein (Phloem protein) is typically associated with which component of the phloem? Sieve tube elements Companion cells Phloem parenchyma Bast fibers Which essential mineral element is significantly involved in the translocation of carbohydrates (sugars) through the phloem? Boron Manganese Zinc Copper The translocation of organic solutes in sieve tube members is supported by- (1) Root pressure and transpiration pull (2) P-proteins (3) Mass flow involving a carrier and ATP (4) Cytoplasmic streaming