The type of phyllotaxy seen in most angiosperms is:
1. Alternate
2. Opposite
3. Whorled
4. Random

Subtopic:  Transpiration & Guttation |
 62%

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A plant treated with a fungicide may develop:
1. Loss of root hair
2. Inhibition of transport proteins in root cells
3. Deficiency of mineral
4. Formation of root knots

Subtopic:  Photosynthesis Transpiration Compromise & Mineral Translocation |
 51%

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For most crops a leaf area index is common up to:
1. 1
2. 7
3. 10
4. 14

Subtopic:  Transpiration & Guttation |
 54%

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The apoplast pathway in plants includes all the following except:
1. the lumen of a xylem vessel
2. the lumen of a sieve tube
3. the lumen of tracheids
4. the cell wall of a root hair

Subtopic:  Pathways of transport |
 58%
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The ions that plays the primary role in basic transport processes in plant cells is:
1. Na+
2. K+
3. H+
4. Cl-

Subtopic:  Photosynthesis Transpiration Compromise & Mineral Translocation |

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Osmosis in plants would not be affected by:
1. water potential gradient
2. a difference in solute concentrations
3. type of cell membrane receptor proteins
4. number of aquaporins

Subtopic:  Osmosis |
 60%

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Active transport of substances does not involve:
1. transport of solute along the concentration gradient.
2. use of a specific membrane transport protein.
3. hydrolysis of ATP.
4. transport of solute against a concentration gradient.

Subtopic:  Means of Transport: Active |
 80%
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The proton pump in the plasma membrane of a plant cell does not:
1. hydrolyze ATP
2. establish a proton gradient across the membrane
3. generate a membrane potential
4. equalize the charge on each side of a membrane

Subtopic:  Membrane Transport |
 52%

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The direction of water movement in plants can always be predicted by measuring:
1. pressure potential
2. number of aquaporins
3. proton gradients
4. water potential (ψ)

Subtopic:  Water Potential Concept |
 81%

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The water potential (Ψ) of pure water in a container open to atmosphere under standard conditions is:
1. -0.1 MPa.
2. +0.1 MPa.
3. +0.5 MPa.
4. 0.0.

Subtopic:  Water Potential Concept |
 82%
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