Active Transport 

Which of the following is wrong? 

1. Uses energy to transport 

2. Uses energy to pump molecules against a concentration gradient 

3. Carried out by specific membrane proteins 

4. Substances are transported from a high concentration to low concentration 

 

Subtopic:  Means of Transport: Active |
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Membrane proteins are for 

1. Uphill transport 

2. Downhill transport 

3. Uphill as well as downhill transport only 

4. For Facilitated Diffusion only 

 

Subtopic:  Means of Transport: Active | Facilitated Diffusion |
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Transport proteins are 

1 .Specific 

2. Sensitive to inhibitors 

3. Show saturation 

4. All of these 

Subtopic:  Means of Transport: Active | Facilitated Diffusion |
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Which of the following is not a common characteristic between Active transport and Facilitated Transport? 

1. Use of ATP 

2. Highly selective 

3. Liable to saturate 

4. Under Hormonal Regulation 

Subtopic:  Means of Transport: Active | Means of Transport: Passive |
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 Water 

Which one is wrong for Water. 

1. Provides a medium in which different substances are dissolved 

2. Makes 92% part of watermelon 

3. Makes 30-45% part of most herbaceous plants 

4. Present in dry seeds as well 

 

Subtopic:  Plant Water Relations: Water Potential: DPD |
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Transpiration 

1. Loss of water in soil 

2. Loss of minerals in soil 

3. Loss of water to the air from the leaves 

4. Loss of organic substances because of photorespiration 

Subtopic:  Transpiration & Guttation |
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 A mature corn plant absorbs…….. of water in a day while a mustard plant absorbs water equal to its own weight in about…….. 

1. 5L, 3hours 

2. 3L, 5 hours 

3. 5L, 5 hours 

4. 3L, 3 hours 

Subtopic:  Plant Water Relations: Water Potential: DPD |
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Water is often a major limiting factor in

1. Photosynthesis

2. Respiration

3. Photorespiration

4. Plant Growth and Productivity

Subtopic:  Plant Water Relations: Water Potential: DPD |
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Which of the following is the two major components of water potential

1. Solute potential and osmotic pressure

2. Solute potential and pressure potential

3. Osmotic pressure and turgor pressure

4. Osmotic pressure and solute concentration

Subtopic:  Water Potential Concept |
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Water molecules show a motion

(1) Random

(2) Rapid

(3) Constant

(4) All of these

Subtopic:  Water Potential Concept |
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