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Transport in Plant, , . In flavouring plant, we need to transport, , (a) water and mineral nutrients (b) organic nutrients, (c) plant growth regulators (d) all, . For covering a small distance, substances move by, (a) diffusion (b) cytoplasmic streaming, (c) active transport (d) all, . Transport over longer distance is known as, (a) translocation (b) transformation (c) transduction (d) diffusion, . Which of the following undergo multidirectional transport?, (a) Water (b) Mineral nutrients, (c) Organic nutrients (d) Both (b) and (c), . Transport of which substance is essentially unidirectional in xylem?, (a) Water (b) Mineral nutrients, (c) Organic nutrients (d) Both (a) and (b), , . Select the correct statement from the following:, , (a) Mineral nutrients takenup by the roots and transported upward into stem, leaves and, growing region, , (b) When a plant part undergoes senescence, nutrient always remain in the senescence part, and gets lost from the plant, , (c) In flowering plant complex traffic of compound in unorderly manner moving in different, direction, , (d) All hormones shows polarised movement, , . Diffusion can occur between, , (a) one part of cell to other part (b) cell to cell, (c) intercellular space to outside of leaf (d) all, , . Only mode of gaseous movement in plant body is, (a) diffusion (b) osmosis, (c) facilitated transport (d) all, , . Which of the following is incorrect about diffusion?, (1) Molecules move in random fashion,, (2) It occurs from higher to lower concentration., (3) It is a slow process., (4) It does not depend on living system.
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10., , Li,, , 12;, , 13., , 14,, , 15., , 16., , 1y,, , (5) Protein carriers our required., , (6) It is a passive process., , (a) Only | and 5 (b) Only 5 (c) 1,3, 5 only (d) Only 4, Diffusion rate is affected by, , (a) Concentration gradient, , (b) Membrane permeability through which it occur, , (c) Pressure and temperature, , (d) All, , Find out total number of false statements from the following., , (1) The diffusion rate depends on size of substrate., , (2) Diffusion across membrane depends upon solubility a lipids., , (3) Membrane protein provide sits for hydrophilic substance to cross membrane., (4) Facilitated diffusion do not require concentration gradient., , (a) 1 (b) 2 (c) 3 (d) 4, Facilitated diffusion require to transport substance across membrane., (a) Special membrane protein (b) ATP, , (c) Protein inhibitor (d) All, , Which process undergo saturation?, , (a) Facilitated diffusion (b) Active transport, , (c) Simple diffusion (d) Both (a) and (b), , Which of the following transport is not highly selective?, , (a) Facilitated diffusion (b) Active transport, , (c) Simple diffusion (d) All, , Identify A, B and C in the given figure., , @, @, , @e, , A, @, @ 8B, @, LU, c, , (a) A-Transported molecule, B—Inner side of cell, C-Transport protein, , (b) A-Transport protein, B-Transported molecule, C-Membrane, , (c) A-Inner side of cell, B-Membrane, C—Transported molecule, , (d) A-Membrane, B-Transport protein, C-Transported molecule, , Where poring proteins are present?, , (a) Outer membrane of plastid (b) Inner membrane of mitochondria, (c) Inner membrane of some bacteria (d) Outer membrane of ribosomes, Choose total number of correct statements from the following:, , (1) Some channels in membrane are always open., , (2) Porins allow passes of molecule of size up to small protein.
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19,, , 20., , 2)., , 22., , 23., , (3) Water channel made up of eight different type of aquaporins., (4) Facilitated diffusion is very specific., (a) 1 (b) 2 (c) 3 (d) 4, , . Some transport proteins allow diffusion only. If two type of molecules move together in same, , direction. Such type of transport is known as, , (a) symport (b) antiport (c) uniport (d) all, , If two move together in opposite direction. If two type of molecules move together in opposite, direction. Such type of transport is known as, , (a) symport (b) antiport (c) uniport (d) all, , When molecule move across in a membrane independent of other molecules through carrier, protein the process is known as, , (a) symport (b) antiport (c) uniport (d) all, , A transport which uses energy to pump molecules against a concentration gradient is known as, (a) diffusion (b) facilitated diffusion, , (c) active transport (d) all, , Proteins in the membrane, responsible for facilitated diffusion and active transport, show some, common characteristic like., , (1) being highly selective. (2) being liable to saturate., (3) responding to inhibitor. (4) being regulated by hormones., (a) 1,2 only (b) 2,3 only (c) 3,4 only (d) all, , Identify A—E given in the figure., , , , E, B, , >, ad, , =, , —, , , , , , , , UT, Membrane, , (a) A-Antiport B, B—Uniport A, C-Antiport A, D-Symport B, E-Carrier point, (b) A-Carrier point, B—Antiport A, C-Uniport A, D-Symport B, E—Antiport B, (c) A-Carrier point, B—Antiport B, C-Symport B, D-Uniport A, E—Antiport A, (d) A-Symport B, B-Antiport A, C-Antiport B, D-Carrier point, E-Uniport A
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24., , 25., , 26., , 27:, , 28., , 29., , 30., , 31., , 32,, , Identify A, B and C shown in this table:, , Praner Simple Facilitated Active, noperty, Diffusion Transport Transport, , Requires special membrane proteins A Yes Yes, , Highly selective No Yes Yes, , Transport Saturates No B Yes, , Uphill transport No No Cc, , Requires ATP energy No No Yes, , (a) A-Yes, B—Yes, C—Yes (b) A—Yes, B—No, C—Yes, , (c) A-No, B—Yes, C—Yes (d) A-No, B—No, C—Yes, , Select the incorrect statement from the following:, , (1) A watermelon has over 92% water., , (2) Most herbaceous plants have only about 10—15% of its fresh water as dry matter., (3) Woody parts of the plant have very little water., , (4) Seed is without water., , (5) Mature corn plant absorb almost three litres of water in a day., , (6) Mustered plant absorb water epical to its own weight in about 5 hours., , (a) All except 6 (b) All except 5 (c) Only 4 (d) Only 3, Water is often a limitary factor for plant growth and in both and, environments., , (a) productivity, agricultural, natural, , (b) movement, agricultural, artificial, , (c) photosynthesis, aquatic, terrestrial, , (d) senescence, agricultural, natural, , Major similarity between active transport and facilitated diffusion is that, (a) both consume ATP, , (b) both are passive, , (c) both are non-selective, , (d) both require membrane proteins, , A watermelon has approximately of water., , (a) 20% (b) 80% (c) 100% (d) 92%, Which of the following has minimum amount of water?, , (a) Leaf (b) Flower, , (c) Epidermal cell of root (d) Cork, , Select from the following which one is move by active transport, , (1) Na* amino acid, in proximal convoluted tubules., , (2) Absorption of most minerals by epidermal cells of root., (3) Na* K* pump., , (4) Loading of sucrose from Capanion cell to sieve tube cells., , (a) All except 4 (b) All except 3 (c) All except 1 (d) All, Two main components which determine water potential are, , (a) solute potential (b) pressure potential, , (c) matric potential (d) both (a) and (b), , Which of the following has the maximum water potential?, (a) 1 Mof NaCl (b) 0.5 M of glucose (c) Pure water (d) 0.001 M of HCI
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33., , 34., , 35., , 36., , ats, , 38., , 39., , 40., , 41., , Three solutions in container are given under one similar condition. Which solution posses, greater kinetic energy in water molecules?, , , , , , , , , , , , , , , , , , 1 MNaCl 1MGlucose || 2M BaCl,, a b c, , (a) A (b) B, (co) C (d) All solution possess same energy, What is the condition for pure water having zero water potential?, (a) Standard temperature (b) No pressure, (c) At 1 atm pressure (d) Only (a) and (b), Which is always negative (under natural condition)?, () y, (2) y, of solution (3) Y, (4) Y, of solution, (a) 1,2 only (b) 1 only (c) 4 only (d) 3 only, , The relationship between y,, y, and v, is, , @ V=yt¥, ©V=YW+Y, ©V=V¥,+v, @ all, Which is important to determine that which is going in or out of plant cell?, , , , (a) Cell membrane only (b) Tonoplast only, (c) Both together (d) Cell wall only, Cell wall is, (a) permeable (b) impermeable, (c) semi-permeable (d) selectively permeable, Osmosis means diffusion of water across, (a) semi-permeable membrane (b) differentially permeable membrane, (c) permeable membrane (d) both (a) and (b), Water will move from, (a) higher pressure potential to lower (b) higher solute potential to lower, (c) higher water potential to lower (d) lower water potential to higher, A B, Solute, molecule | ©, @, Water ——, @, , , , , , , , , , Semi-permeable, membrane, Answer the Question with respect to above diagram:, , (1) Solution of which chamber has a lower water potential?, (a) A (b) B (c) Both have same (d) Cannot predict
