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11th Class - Biology | Chapter: Transport in Plants MCQs
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(A) Root pressure
(B) Amount of water absorbed equals to the amount transpired
(C) Osmotic pressure
(D) Potential difference between the tip of the tube and that of the plant
(A) Relative humidity decreases
(B) Relative humidity remains unchanged
(C) Relative humidity increases
(D) Water potential gradient remains unchanged
(A) Imbibition
(B) Diffusion
(C) Osmosis
(D) Guttation
(A) Transpiration
(B) Respiration
(C) Ascent of sap
(D) Photosynthesis
(A) Pressure potential
(B) Water potential
(C) Solute potential
(D) Concentration gradient
(A) Transversely
(B) Tangently
(C) Radially
(D) Obliquely
(A) Cohesion and adhesion
(B) Lignified thick walls
(C) Weak gravitational pull
(D) Transpirational pull
(A) Temperature
(B) Chlorophyll content of leaves
(C) Wind speed
(D) Light
(A) Symplast
(B) Apoplast
(C) Guttation
(D) Root pressure
(A) Osmosis
(B) Translocation
(C) Transpiration
(D) Diffusion
(A) Soil is dry and air is humid
(B) Soil is wet and air is dry
(C) Both soil and air are dry
(D) Soil is wet and air is humid
(A) 50%
(B) 70%
(C) 80%
(D) 60%
(A) Water potential
(B) Negative potential
(C) Pressure potential
(D) Solute potential
(A) Cortex, protoxylem, endodermis, root hair, pericycle, metaxylem
(B) Root hair, cortex, endodermis, pericycle, protoxylem, metaxylem
(C) Root hair, protoxylem, metaxylem, pericycle, cortex, endodermis
(D) Root hair, pericycle, endodermis, cortex, protoxylem, metaxylem
(A) Imbibition
(B) Diffusion
(C) Osmosis
(D) All of these
(A) Imbibition
(B) Diffusion
(C) Osmosis
(D) None of these
(A) Osmotic pressure
(B) Diffusion pressure deficit
(C) Wall pressure
(D) None of these
(A) Deplasmolysis
(B) Plasmolysis
(C) Both (a) and (b)
(D) None of these
(A) Decrease
(B) Increase
(C) Fluctuate
(D) Remain unchanged
(A) Diffusion pressure
(B) Osmotic pressure
(C) Turgor pressure
(D) Root pressure
(A) Humidity
(B) Availability of water in soil
(C) Temperature
(D) AH of these
(A) xylem
(B) phloem
(C) Both (a) and (b)
(D) None of these
(A) Guttation
(B) Low transpiration
(C) Excessive transpiration
(D) Excessive absorption
(A) Transpiration
(B) Gaseous exchange
(C) Both (a) and (b)
(D) none of these
(A) Leucerne
(B) Patato
(C) Cereal
(D) Barley
(A) Increase or decrease of atmospheric temperature
(B) Increase in light intensity upto certain limit.
(C) Difference in vapour pressure of intercellular spaces of mesophyll tissue and atmospheric air.
(D) All of these
(A) Wall pressure
(B) Turgor pressure
(C) Incipient plasmolysis
(D) Diffusion pressure deficit.
(A) respiration
(B) photosynthesis
(C) absorption
(D) transpiration
(A) Henry Dixon
(B) F. F. Blackman
(C) Melvin cycle
(D) Hans. A. Krebs
(A) temperature
(B) membrane permeability
(C) gradient of concentration
(D) all of these
(A) the root and shoot die at the same time
(B) the shoot dies first
(C) the root dies first
(D) neither root nor shoot will die
(A) Wall pressure
(B) Diffusion pressure deficit
(C) Hydrostatic pressure
(D) Osmotic pressure
(A) Capillary
(B) Diffusion
(C) Osmosis
(D) Both (a) and (b)
(A) Gradient of ion concentration
(B) Gradient of suction pressure
(C) Gradient of imbibition
(D) Gradient of turgor pressure
(A) Osmosis
(B) Endosmosis
(C) Exomosis
(D) Absorption
(A) Transpiration
(B) Turgidity of cells
(C) Rigidity of the cell wall
(D) stomatal cells
(A) A and C
(B) A, B and D
(C) B, C and D
(D) C and D
(A) A and R are true and R is the correct explanation of A
(B) A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) A is false but R is true
(A) Translocation of food due to turgor pressure gradient and imbibition force
(B) Translocation of organic solutes
(C) Translocation of food due to turgor pressure gradient
(D) Translocation of food due to imbibition force
(A) Trachery elements
(B) Cortical cells
(C) Parenchyma cells
(D) Phloem tissue
(A) Less K+
(B) More K+
(C) More abscisic add
(D) AH of those
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