Identify the correct statements regarding Mass flow hypothesis.
A: Mass flow is faster than diffusion.
B: Mass flow is the result of pressure difference between the end points.
C: Different substances involved in mass flow move at different paces.
D: Mass flow can result through either a positive or a negative hydrostatic pressure gradient.
Choose the correct answer from the options given below:
1. (A), (C), (D) only 2. (B), (C), (D) only
3. (A), (B), (C) only 4. (A), (B), (D) only
Subtopic:  The Pressure Flow or Mass Flow Hypothesis |
From NCERT
NEET - 2023
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"Girdling Experiment" was performed by Plant Physiologists to identify the plant tissue through which:
1. osmosis is observed
2. water is transported
3. food is transported
4. for both water and food transportation

 
Subtopic:  The Pressure Flow or Mass Flow Hypothesis |
 58%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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Select the incorrect statement.

1. Transport of molecules in phloem can be bidirectional.
2. The movement of minerals in the xylem is unidirectional.
3. Unloading of sucrose at the sink does not involve the utilization of ATP.
4. Elements most easily mobilized in plants from one region to another are phosphorus, sulfur, nitrogen, and potassium.

Subtopic:  The Pressure Flow or Mass Flow Hypothesis |
 81%
From NCERT
NEET - 2020
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NEET 2026 - Target Batch - Vital
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