In flowering plants, transport over longer distances proceeds through the vascular system and is called

1. Transportation

2. Translocation

3. Transfusion

4. Transmission

Subtopic:  Introduction |
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Transport of water and minerals is essentially ……a...from roots to stems. Organic and mineral nutrients however, undergo…b…… transport.

1. a-Multidirectional

2. a-Bidirectional

3. b- Mulltidirectional

4. b- Unidirectional

Subtopic:  Introduction |
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Diffusion

Find the wrong option:

1. Passive

2. Over shorter distances

3. No energy expenditure

4. Movement in ordered fashion

Subtopic:  Diffusion |
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Diffusion

Find the wrong one.

1 .Dependent on a living system

2. Obvious in gases and liquids

3 .In solids rather than of solids is more likely

4. Diffusion is very important in plants since it is the only means for gaseous movement within the plant body

Subtopic:  Diffusion |
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Which of the following is not parameter to affect diffusion concentration? 

1 .Gradient of concentration 

2. Permeability of the membrane separating them 

3. Temperature, Pressure 

4. Gas constant 

Subtopic:  Diffusion |
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The diffusion of any substance across a membrane depends on 

1 .Solubility in proteins 

2 .Solubility in carbohydrates 

3 .Solubility in lipids 

4. Solubility in glycolipids 

Subtopic:  Diffusion |
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Substances which are soluble in lipids…….a…...But which have a hydrophilic moiety……..b……

1. a- move slowly

2. a- move similarly as that of others

3. b- move faster

4. a- move faster

Subtopic:  Diffusion |
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Which of the following is not a feature of Facilitated Diffusion? 

1 .Without expenditure of ATP 

2. Cannot cause net transport molecule from higher to lower concentration 

3. Saturation 

4. Specific 

Subtopic:  Diffusion |
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Water channels are made up of 

1. Eight aquaporins 

2. Eight different types of aquaporins 

3 .Ten aquaporins 

4. Ten different types of aquaporins 

Subtopic:  Facilitated Diffusion |
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Porins are not present in 

1. The outer membranes of Plastids 

2. The outer membrane of Mitochondria 

3. The outer membrane of bacteria 

4. Inner membrane of Plastids

Subtopic:  Facilitated Diffusion |
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