Membrane proteins are for 

  1. Uphill transport 
  2. Downhill transport 
  3. Uphill as well as downhill transport only 
  4. For Facilitated Diffusion only 

 

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Transport proteins are 

  1. Specific 
  2. Sensitive to inhibitors 
  3. Show saturation 
  4. All of these 
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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 
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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 

 

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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 
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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 
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Water is often a major limiting factor in

  1. Photosynthesis
  2. Respiration
  3. Photorespiration
  4. Plant Growth and Productivity
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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
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Water molecules show a motion

  1. Random
  2. Rapid
  3. Constant
  4. All of these
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The greater water potential actually does not suggest the

  1. Greater concentration of water
  2. Greater Kinetic Energy
  3. Less solute concentration
  4. Lower solute potential
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