Main factor deciding rate of diffusion is :-
1. Pressure/concentration gradient
2. Solubility of gases
3. Thickness of diffusion membrane
4. Posture of body
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and early morning is:
1. Root pressure
2. Imbibition
3. Plasmolysis
4. Transpiration
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologyln above diagram A is having :-
(1) Hypotonic solution
(2) Hypertonic solution
(3) Low w
(4) Both B & C correct
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMovement of water and mineral in cell wall & intercellular space is called as:-
1. Symport
2. Antiport
3. Symplast
4. Apoplast
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is not correct with transporting the food through phloem?
1. Loading is a passive process
2. Translocation is due to hydrostatic force
3. Food translocation is bidirectional
4. Translocation always occur from source to sink
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich protein is responsible for active transport:-
1. Pump
2. Channel
3. Symport
4. Uniport
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the followng is incorrect rearding faciliated diffusion :-
(1) Selective nature
(2) Dependent on energy
(3) Transport Saturation
(4) Requirement of protein
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the correct statement:-
1. Pue water has minimum
2. Pure water has maximum
3. Pure water has maximum DPD
4. Pure water has variable DPD
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the incorrect match
Property | Simple Diffusion |
Facilitated Transport |
Active Transport |
a. Requires special membrane proteins |
No | Yes | Yes |
b. Highly selective | No | Yes | Yes |
c. Transport saturates | No | No | Yes |
d. Uphill transport | No | Yes | Yes |
e. Requires ATP energy | No | No | Yes |
1. c & d
2. a, c, & d
3. c, d & e
4. b, c & d
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many are associated with apoplastic movement of water?
1. Through cell wall
2. Through intercellular space
3. Through plasmodesmata
d. Through xylem
1. a, b, & d
2. b, c & d
3. a, c & d
4. a, b & c
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology