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Q. No.Which of the following is an expected rate of upward flow in plants due to transpiratory pull?
(1) Up to 15 metres per hour
(2) Up to 15 meters per minute
(3) Up to 150 metres per hour
(4) Up to 200 metres per hour
(1) Up to 15 metres per hour
(2) Up to 15 meters per minute
(3) Up to 150 metres per hour
(4) Up to 200 metres per hour
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is a model for Transpiration?
(1) Cohesion-AdhesionTranspiration Pull Model
(2) Cohesion Tension Transpiration Pull Model
(3) Tension Transpiration Pull Model
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTranspiration can be studied by
(1) Cobalt chloride paper test
(2) Chromium chloride paper test
(3) Leaf enclosed in polybag
(4) Both A and C
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe immediate cause of opening and closing of stomata is a change in the
(1) Turgidity of subsidiary cells
(2) Flexibility of aperture
(3) Change in the turgidity of guard cells
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe inner wall of guard cell is not
(1) Thin
(2) Elastic
(3) Towards the pore or stomatal aperture
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe opening of stoma is also…….due to the orientation of the microfibril in the …….
of guard cells.
(1) Supported, cytoplasm
(2) Supported, cell wall
(3) Affected, cell membrane
(4) Affected, cytoplasm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMicrofibril of Guard cells of stoma are not
(1) Made up of Cellulose
(2) Oriented radially
(3) Makes it more easy for stoma to open
(4) Found in cytoplasm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen stomata is open
(1) Outer wall of guard cell is crescent shaped
(2) Outer wall is bulged out while inner wall is crescent shaped
(3) Outer wall is crescent shaped while inner wall is flat
(4) Outer wall is flat while inner wall is crescent shaped
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen guard cells lose turgor due to…….the elastic …….regain its shape and guard cells become…..
(1) Water stress, outer wall and Turgid
(2) Toxic, Inner wall and Flaccid
(3) Toxic, Outer wall and Turgid
(4) Water stress, Inner wall and Flaccid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTranspiration is affected by external factors
Find the wrong one.
(1) Temperature, Light
(2) Humidity
(3) Wind Speed
(4) Canopy structure
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