Path of water movement from soil to xylem is :

1. soil root hair cortex pericycle endodermis metaxylem protoxylem

2. soil root hair cortex endodermis pericycle protoxylem metaxylem

3. soil root hair epidermis endodermis phloem xylem

4. soil root hair epidodermiscortex phloem xylem

Subtopic:  Pathways of Transport: Illustration |
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Turgor pressure is also referred to as

1. solute potential

2. water potential

3. pressure potential

4. osmotic potential

Subtopic:  Plant Water Relations: Water Potential: 2 | Plant Water Relations: Water Potential: DPD | Plant Water Relations: Reverse Osmosis & Water Potential |
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The process responsible for the movement of water from roots to all other parts of plants is

1. Evaporation of Water from leaves 

2. Capillary action 

3. Active transport 

4. Both 1 and 2

Subtopic:  Ascent of Sap |
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The combination of pressure potential and solute potential is

1. water potential

2. Osmotic pressure

3. osmotic potential

4. Both b and c

Subtopic:  Plant Water Relations: Reverse Osmosis & Water potential: 1 | Plant Water Relations: Reverse Osmosis & Water Potential |
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Scientists take advantage of _______________ in studying translocation by phloem.

1. ants

2. aphids

3. bees

4. Mosquitoes

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What may be regarded as a valid difference between active and passive absorption of water?

1. Passive absorption is affected by the presence of metabolic inhibitors

2. active absorption is accelerated by the presence of auxins

3. Passive absorption is dependent on development of root pressure

4. Active absorption is dependent on aerial parts of plants for the development of a pull force.

Subtopic:  Means of Transport: Active | Means of Transport: Passive |
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What is never zero in a cell-

1. Solute potential

2. Water potential

3. DPD

4. Diffusion pressure

Subtopic:  Plant Water Relations: Reverse Osmosis & Water potential: 1 | Plant Water Relations: Reverse Osmosis & Water Potential |
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The amount of pressure needed to stop fluid from moving by osmosis into a solution is referred to as the

1. Osmotic pressure

2. water potential

3. pressure potential

4. solute potential

Subtopic:  Osmosis |
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In the absence of transpiration water moves up xylem because of

1. root pressure

2. turgor pressure

3. evaporation

4. high soil mineral concentration

Subtopic:  Ascent of Sap |
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High root pressure can cause water to be lost by leaves through the process of

1. respiration

2. regurgitation

3. transpiration

4. guttation

Subtopic:  Transpiration & Guttation |
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