Which of the following helps in ascent of sap?
(1) Root pressure
(2) Transpiration
(3) Capillarity
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat do A, B, C and D represent in the following figure?
(1) A : carrier protein, B : symport, C : uniport, D : antiport
(2) A : carrier protein, B : uniport, C : antiport, D : symport
(3) A : carrier protein, B : antiport, C : symport, D : uniport
(4) A : carrier protein, B : uniport, C : symport, D : antiport
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is correct about the movement of substances across the membrane in facilitated diffusion?
1. It is an active transport.
2. It causes the transport of molecules from low concentration to high concentration.
3. It is insensitive to inhibitors.
4. It is a very specific transport.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe water logging capacity of garden soil will be determined by measuring the weight of
(1) soil by adding water and humus
(2) water saturated soil then heating the soil till it is dry and then measuring the weight of soil
(3) soil by adding water, boimass and humus
(4) soil from different locations with biomass.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe modified equation for water potential is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe value of osmotic potential of an electrolyte is always
(1) more than non-electrolyte
(2) less than non-electrolyte
(3) same as non-electrolyte
(4) None of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the process taking place in this experiment.
(1) Ringing experiment for translocation of sap
(2) Demonstration of root pressure
(3) Eosin test to demonstrate ascent of sap
(4) Demonstration of transpiration
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOsmosis is a type of
(1) imbibition of solution
(2) diffusion of solvent
(3) evaporation of water
(4) diffusion of solute
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is correct?
(1) DPD = OP - WP
(2) DPD = OP + WP
(3) DPD = WP - OP
(4) DPD= TP + OP
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWho had proposed theory of cohesion and adhesion forces?
(1) Dixon and Jolly (1894)
(2) Dixon and Benson (1885)
(3) Dixon and Jolly (1950)
(4) Sir Jagdish Chandra Bose (1850)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology