- 1(current)
Q. No.Identify the correct statements regarding Mass flow hypothesis.
Choose the correct answer from the options given below:
| 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. |
| 1. | (A), (C), (D) only | 2. | (B), (C), (D) only |
| 3. | (A), (B), (C) only | 4. | (A), (B), (D) only |
Subtopic: Â The Pressure Flow or Mass Flow Hypothesis |
Level 3: 35%-60%
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: Â The Pressure Flow or Mass Flow Hypothesis |
 58%
Level 3: 35%-60%
NEET - 2022
Hints
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: Â The Pressure Flow or Mass Flow Hypothesis |
 80%
Level 1: 80%+
NEET - 2020
Hints
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- 1(current)
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