During Imbibition which of the following is pre-requisite?
(1) Water potential gradient between the absorbent and the liquid imbibed
(2) Affinity between absorbent / adsorbent
(3) Amount of seeds
(4) Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFrom the twig experiment in which twig is placed in colored water, which of the following can be deduced?
(1) The path of organic Acid
(2) The path of hormones
(3) The path of water
(4) The development of twig
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLong distance transport cannot be carried by
(1) Diffusion Alone
(2) Active transport alone
(3) Bulk flow
(4) Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMovement of molecule across a typical plant cell i.e. 50 micrometer takes
(1) 10 seconds
(2) 15 seconds
(3) 2.5 seconds
(4) 16 seconds
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMass flow or bulk flow system is the movement of substances in bulk or in masse from one point to another point as a result of
(1) Pressure Difference between two points
(2) Osmotic gradient between two points
(3) Concentration gradient between two points
(4) Cannot be predicted
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMass flow
(1) Solids move slowly
(2) Liquid move faster
(3) All move through the same pace
(4) Solids move faster due to high Osmotic pressure
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBulk flow can be achieved by
(1) Positive hydrostatic pressure
(2) Negative hydrostatic pressure
(3) Both A and B
(4) Concentration gradient
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf mass flow is occurring like a garden hose,
(1) It is due to positive hydrostatic pressure
(2) It is due to negative hydrostatic pressure
(3) It is due to concentration gradient
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf mass flow is occurring like suction through a straw
(1) It is due to positive hydrostatic pressure
(2) It is due to negative hydrostatic pressure
(3) It is due to concentration gradient
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe apoplast does not hold true which of the following statements?
(1) System of adjacent cell walls that is continuous throughout the plant
(2) Not continuous path at the place of casparian strips of the endodermis in the roots
(3) Occurs through the intercellular spaces and the walls of the cells
(4) Crosses cell membrane
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology