FILL IN THE BLANKS {Transport in plant} NCERT BASED
TRANSPORT IN PLANT
1] For solution at atmospheric pressure, ________________ is equal to solute potential.
5] Write Yes or No
Requires ATP energy - a] Simple diffusion- _______ b] Facilitated transport- _______ c] Active transport- __________.
8] Transport in plant over small distance; substance move by ______________ & _____________________.
15] Yp stands for ____________________.
18] Facilitated diffusion is very specific…. True or False.
25] Most of the _____________ plant have only about 10 to 15 % of its fresh weight as dry matter.
28] _________ compound synthesized in the leaves are exported to all other parts including storage organ.
35] Water potential is expressed in pressure unit- ___________.
38] In an __________, both molecules move in opposite direction during diffusion.
45] Mature ________ plant absorbs almost 3 liter of water in a day.
48] Diffusion rates are affected by _________________, _____________, ______________ & _____________.
51] If a pressure greater than atmospheric pressure is applied to pure water, its water potential _______________.
55] Water is essential for all pathological activities of plant- True or False.
58] Transport over longer distance in plant proceeds through the _____________________.
65] Yp stands for ___________.
68] The _________ are protein that form large pores in the outer membrane of the plastids, mitochondria & some bacteria.
75] Distribution of water within plant is same- True or false.
78] When any plant undergoes ______________, nutrient may be withdrawn from different storages and moved to growing parts.
85] Water potential of pure water at standard temperature, which is not under any pressure is taken to be _________.
88] ______________ requires energy to transport & pump molecules against concentration gradient.
95] ___________________ is a concept fundamental to understand water movement.
98] Smaller substance diffuses slowly during transport? True? False
101] Pressure can be builds up in plant when water enter a plant cell due to diffusion causing a pressure build up against the cell wall making the cell _________.
105] Write Yes or No
Highly selective during transport - a] Simple diffusion- _______ b] Facilitated transport- _______ c] Active transport- __________.
108] Transport in plant over small distance; substance move by diffusion supplemented by _________________.
115] Water molecule possess kinetic energy- True or False
118] Facilitated diffusion is insensitive to inhibitors which react with protein side chain- True or False
125] A woody plant has very little water- True or False.
128] Movement by diffusion is ___________ and from one part of the cell to other or from cell to cell or over short distance.
135] If some __________ is dissolved in pure water, the free energy of water decreases reducing its water potential.
138] When a molecule moves across a membrane independent of other molecule during diffusion, the process is called as __________.
145] Mustard plant absorbs water equal to its ___________.
148] Substance that have ______________ moiety, find it difficult to pass through the membrane by diffusion.
151] The relationship between water potential, solute potential & pressure potential is expressed by formula…...
______________________________.
155] The _____________ of the cell is nothing but water in which different molecules are dissolved.
158] Parts of vascular system in plants- ___________ & ____________.
165] The greater the concentration of water in the system, the greater is its ___________ energy.
168] In facilitated diffusion, extracellular molecule bound to the transport protein, the transport protein rotate & releases the molecule inside the cell, Example: ______________.
175] A seed may be dry but it still has water- True or False.
178] The diffusion of any substance across a membrane depends on the solubility in __________.
185] All solution has higher water potential than pure water- True or False.
188] Pump are proteins that use energy to carry substance across the cell membrane- True or False
195] _________________ and ___________________ are the two main component that determines water potential.
198] A concentration gradient must already be present to diffuse even if facilitated by the protein, this process is called as _______________________.
201] Negative pressure potential in the water column in the _______ plays major role in water transport up a stem.
205] Write Yes or No
Transport saturates - a] Simple diffusion- _______ b] Facilitated transport- _______ c] Active transport- __________.
208] In _______ plant, transport in xylem is essentially unidirectionally.
215] Pure water will have the lowest water potential- True or False?
218] In facilitated diffusion, water channel is made up of different type of ________________.
225] _____________ plant take up huge amount of water daily but most of it is lost in the air.
228] No energy expenditure take place during __________ type of transport.
235] Solute potential is always ___________.
238] When protein pump transport substance from low concentration to high concentration then it is called as ___________ transport.
245] Mustard plant absorbs water equal to its weight in _____ hour,
248] In facilitated diffusion, special _________ help move substance across membrane.
251] If a pressure greater than atmospheric pressure is applied to solution, its water potential decreases- True or False?
255] A watermelon has more than _____% of water.
258] Transport in plant over longer distance proceeds through vascular system and it is called as ____________________.
265] The process of movement of substances down a gradient of free energy is called as ___________.
268] Water channel is made up of __________{number} aquaporins.
275] Terrestrial plant take up huge amount of water daily but most of it is lost in the air through ____________ from the leaves.
278] Transport of gases in plant is by ______________ method.
285] The magnitude of lowering of water potential due to dissolution of solute is called __________ potential.
288] During ___________ transport, transport rate reaches maximum when all the protein transporter are saturated.
295] Ys stands for _________________.
298] In facilitated diffusion, special protein help move substance across membrane without expenditure of ________ energy.
305] Write Yes or No
Uphill transport- a] Simple diffusion- _______ b] Facilitated transport- _______ c] Active transport- __________.
308] Direction of organic & mineral nutrient is usually ______________ in plants.
315] Water potential is denoted by Greek symbol _____ or ______.
318] In a ___________, both molecules cross the membrane in the same direction during diffusion.
325] Terrestrial plant take up huge amount of water daily but most of it is lost in the air through evaporation from the leaves and called as _________________.
328] Type of transport- ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬___________; not dependent on living system.
335] The more the solute molecule, the more negative is the solute potential- True or False.
338] Write Yes or No
Requires special membrane protein- a] Simple diffusion- _______ b] Facilitated transport- _______ c] Active transport- __________.
345] Corn absorbs almost _______ liter of water per day.
348] Transport rate in facilitated diffusion reaches maximum when all the protein transporter are being _______________.
1] Water potential
2]
5] No, No, Yes
8] Diffusion & cytoplasmic streaming
15] Pressure potential
18] True
25] Herbaceous
28] Organic
35] Pascal
38] Antiport
45] Corn
48] Gradient of concentration, permeability of the membrane, temperature & pressure.
51] Increases
55] False
58] Vascular system
65] Pressure potential
68] Porins
75] False
78] Senescence
85] Zero
88] Active transport
95] Water potential
98] False
101] Turgid
105] No, yes, Yes
108] Active transport
115] True
118] False
125] True
128] Passive
135] Solute
138] Uniport
145] Weight
148] Hydrophilic
151] Yw = Ys + Yp
155] Protoplasm
158] Xylem & pholem
165] Kinetic
168] Water channel
175] True
178] Lipids
185] False
188] True
195] Solute & pressure potential
198] Facilitated diffusion
201] Xylem
205] No, Yes, Yes
208] Rooted
215] False
218] Aquaporins
225] Terrestrial
228] Diffusion
235] Negative
238] Uphill
245] 5
248] Protein
251] False
255] 92%
258] Translocation
265] Diffusion
268] Eight
275] Evaporation
278] Diffusion
285] Solute
288] Active or facilitated
295] Solute potential
298] ATP
305] No, No, Yes
308] Multidirectional
315] Psi or Y
318] Symport
325] Transpiration
328] Diffusion
335] True
338] No, Yes, Yes
345] 3
348] Saturated
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