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NEET UG BIOLOGY MCQ: TRANSPORT IN PLANTS
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Medium
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Analyzing
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Choose, true and false statements from the following and select the correct option from the set (a-d) given below
I. Diffusion is an important process of transport in plants since it is the only means for gaseous movement within the plant body
II. In active transport, pumps are proteins that use energy to carry substance across the cell membrane against concentration gradient
III. In facilitated diffusion, special proteins helps hydrophilic substances to be transported across the membrane
IV. In diffusion, molecules move against concentration gradient in a random manner
V. Facilitated diffusion is faster than active transport
I. Diffusion is an important process of transport in plants since it is the only means for gaseous movement within the plant body
II. In active transport, pumps are proteins that use energy to carry substance across the cell membrane against concentration gradient
III. In facilitated diffusion, special proteins helps hydrophilic substances to be transported across the membrane
IV. In diffusion, molecules move against concentration gradient in a random manner
V. Facilitated diffusion is faster than active transport
View answer and explanation
Correct option: B
I, II, III are true, while IV and V are false
Option B is correct because statements I, II, and III are accurate descriptions of diffusion and transport processes in plants, while IV and V are incorrect.
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Study the following statement and choose the correct option(s) from the codes from below
I. Root pressure provides a light push in the overall process of water transport
II. Root pressure causes the flow of water faster through xylem than it can be lost by transportation
III. In symplast pathway, water move exclusively through the cell wall and intercellular spaces
IV. Guttation is a cause of transpiration pull
V. Most plants fulfill their water requirement by transpiration pull Rate of imbibition is more in?
I. Root pressure provides a light push in the overall process of water transport
II. Root pressure causes the flow of water faster through xylem than it can be lost by transportation
III. In symplast pathway, water move exclusively through the cell wall and intercellular spaces
IV. Guttation is a cause of transpiration pull
V. Most plants fulfill their water requirement by transpiration pull Rate of imbibition is more in?