Transport of water and minerals is essentially ……a...from roots to stems. Organic and mineral nutrients however, undergo…b…… transport.
1. a-Multidirectional
2. a-Bidirectional
3. b- Mulltidirectional
4. b- Unidirectional
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDiffusion
Find the wrong option:
1. Passive
2. Over shorter distances
3. No energy expenditure
4. Movement in ordered fashion
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDiffusion
Find the wrong one.
1 .Dependent on a living system
2. Obvious in gases and liquids
3 .In solids rather than of solids is more likely
4. Diffusion is very important in plants since it is the only means for gaseous movement within the plant body
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not parameter to affect diffusion concentration?
1 .Gradient of concentration
2. Permeability of the membrane separating them
3. Temperature, Pressure
4. Gas constant
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe diffusion of any substance across a membrane depends on
1 .Solubility in proteins
2 .Solubility in carbohydrates
3 .Solubility in lipids
4. Solubility in glycolipids
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySubstances which are soluble in lipids…….a…...But which have a hydrophilic moiety……..b……
1. a- move slowly
2. a- move similarly as that of others
3. b- move faster
4. a- move faster
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWater channels are made up of
1. Eight aquaporins
2. Eight different types of aquaporins
3 .Ten aquaporins
4. Ten different types of aquaporins
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPorins are not present in
1. The outer membranes of Plastids
2. The outer membrane of Mitochondria
3. The outer membrane of bacteria
4. Inner membrane of Plastids
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not sensitive to inhibitors?
1 .Pump
2 .Diffusion
3. Facilitated Diffusion
4. Potions
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is correct with respect to Facilitated Diffusion?
1. Some channels are always open while others can be controlled
2. All channels are always open
3. Some channels are closed while others are always open
4. No regulation of channels as such.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology