PLANTS WATER RELATIONS ASSIGNMENT

1	Diffusion is the phenomenon shown by I. Solids II. Liquids III. Gases I and II All except II II and III All Ans:All
2	This is an example for diffusion Uptake of CO2 during photosynthesis Uptake of O2 by plants from atmosphere Uptake of CO2 by plants during night time by plants Release of O2 by plants during night by plants Ans:Uptake of CO2 during photosynthesis
3	Match the following with respect to Bryophyta List – I List – II A) Hydroids I) Capsule B) Protonema II) Rhizoids C) Spore production III) Cauloid D) Zooidogamy IV) Young gametophyte V) A - III, B - IV, C - I, D - V A - III, B - I, C - IV, D - V A - IV, B - III, C - II, D - I A - III, B - V, C - I, D - II Ans:A - III, B - IV, C - I, D - V
4	[A]: Proteins show more imbibition than cellulose [R]: Protins are soluble in water but not cellulose Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
5	Imbibition of water is shown by all solutes Solvents gases Hydrophilic colloids Ans:Hydrophilic colloids
6	Identify the correct sequence of substances that show gradual increase in Imbibition Cotton fibre; Pea seeds; Paddy grains Paddy grains; Cotton fibre; Soybean seeds Soy bean seeds; Cotton fibre; Paddy grains Cotton fibre; Paddy grains; Soybean seeds Ans:Cotton fibre; Paddy grains; Soybean seeds
7	Modified roots that absorb water by Imbibition are seen in Amorphophallus Brassica oleracea var. gangyloides Bulbophyllum Trapa natans Ans:Bulbophyllum
8	In Potato osmoscope experiment, the structure of Potato that behaves as selectively permeable membrane is Middle lamellum of Parenchyma cells Periderm of the tuber Primary walls of Parenchyma of cut end of Potato tuber Cell membranes of Storage parenchyma of Potato tuber Ans:Cell membranes of Storage parenchyma of Potato tuber
9	Choose the correct statements with respect to Thistle funnel experiment I. There is gradual increase in hydrostatic pressure in the Thistle funnel II. Water of the beaker continuously flows into the thistle funnel as there is no solute in the beaker and there is solute in the thistle funnel. III. The Y of the solution present in the thistle funnel gradually increases. IV. The Π of the thistle funnel gradually increases I and II I and III II and III III and IV Ans:I and III
10	A cell in evident plasmolysis state has the following condition Y = Ρ Π = Ρ Y= 0 Y= Π Ans:Y= Π
11	Morphologically similar cells A, B, C and D are kept respectively in solution P having 1% Sucrose solution, Q with 2% sucrose solution, R with 3% sucrose solution and S with 5% sucrose solution. Cell D has shown incipient plasmolysis and the other cells have not shown any signs of Plasmolysis. Choose the correct statements among the following. I. Cell A is isotonic to solution P II. Cell B is isotonic to solution Q III. Cell C is isotonic to solution R IV. Cell D is hypotonic to solution S All except IV All except III All except I and II All except III and IV Ans:All except I and II
12	During the plasmolysis of a parenchyma cell there is decrease in the I. Size of Plant cell II. Size of protoplast III. Amount of cytoplasm IV. Vacuole I and II II and III II and IV I and III Ans:II and IV
13	Plasmolysis phenomenon helps the growing plant in resisting the bacterial infection in resisting the fungal infection in withstanding the water stress in withstanding O2 stress Ans:in withstanding the water stress
14	During the process of Plasmolysis of Plant cell The Y of outside solution is greater than the Y of solution present between cell wall and cell membrane The Y of solution between cell wall and protoplast is equal to the Y of cell sap The Y of outside solution and solution present between cell wall and Protoplast is same The P of protoplast gradually increases. Ans:The Y of outside solution and solution present between cell wall and Protoplast is same
15	[A]: In thistle funnel experiment, egg membrane behaves as selectively permeable membrane [R]: Egg membrane allows the diffusion of both water and Sucrose Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
16	Choose the correct statement Movement of water from trichoblast to Root xylem is entirely apoplastic Water movement from root hair to inner most layer of general cortical cell is always apoplastic Complete movement water from trichoblast to xylem of root can be symplastic Movement of water from trichoblast to root xylem is symplastic at the beginning and later apoplastic Ans:Complete movement water from trichoblast to xylem of root can be symplastic
17	Water is mainly absorbed by plants by Passive, osmotic mechanism Active, non-osmotic mechanism Active, osmotic mechanism Non Active, non-osmotic mechanism Ans:Passive, osmotic mechanism
18	`[A]: Plants absorb water by Passive mechanism [R]: Water of soil solution enters into root hair due to difference in water potential between soil and root hair Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true but R is not the correct explanation of A
19	The components of symplast of plants are I. Cell wall II. Plasmodesmata III. Intercellular spaces IV. Protoplasts I and II III and IV I and III II and IV Ans:II and IV
20	Choose the correct statement Movement of water from root hair to xylem of root is apoplastic Water movement from root hair to Innermost layer of general cortex is always symplastic Water path from endodermis to xylem of root is always symplastic Much of the movement of water from root hair to cortex is symplastic. Ans:Water path from endodermis to xylem of root is always symplastic
21	Water of soil enters into cell wall of root epidermal cell by Facilitated diffusion osmosis Active diffusion Imbibition Ans:Imbibition
22	Arrange the following plants with gradual increase in their height i) Pseudotsuga menziensii ii) Eucalyptus amygdalina iii) Sequoia sempervirence iv) Eucalyptus regnans ii, iv, iii, i iii, i, iv, ii iii, i, ii, iv i, iii, ii, iv Ans:iii, i, ii, iv
23	[A] : The main driving force for ascent of sap is transpiration. [R] : Transpiration pull is greater than cohesive force of water. Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
24	In the experiment to demonstrate ascent of sap by cohesion and tension theory, the sponge can be compared with Root Xylem Stem Mesophyll Ans:Mesophyll
25	The theory proposed by Dixon explains the following function of plants Absorption of water Absorption of minerals Transpiration Movement of mineral water through xylem Ans:Movement of mineral water through xylem
26	The driving force for ascent of sap is difference in Y between the mesophyll cells and xylem of leaf Cohesive force of water Adhesive force of water difference in Y between root and soil Ans:difference in Y between the mesophyll cells and xylem of leaf
27	The cohesive force of water is 300MPa 30MPa 30 bars 0.3MPa Ans:30MPa
28	Match the following Y value regions A) -30 I) Soil solution B) -0.03 II) Root xylem C) -3.0 III) Atmosphere D) -0.3 IV) Leaf xylem A - III, B - I, C - IV, D - II A - I, B - III, C - II, D - IV A - III, B - IV, C - I, D - II A - III, B - I, C - II, D - IV Ans:A - III, B - I, C - IV, D - II
29	[A]: Ringing experiments are carried out in Monocots [R]: Monocots have atactostele in their stems Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is false but R is true
30	The tallest spermatophyte is Eucalyptus amygdalina Eucalyptus regnans Polylalthia longifolia Sequoia gigantia Ans:Eucalyptus regnans
31	During ascent of sap actually the tension is created in Protoplast of Mesophyll cells Cell walls of mesophyll cells Xylem of leaf Stoma of epidermis Ans:Cell walls of mesophyll cells
32	The minimum water potential gradient required for ascent of sap in tallest plant of the plant kingdom is 13 bars 23 bars 27 bars 40 bars Ans:13 bars
33	[A]: The Y of pure water is zero [R]: The chemical potential of pure water is greater than the chemical potential of water present in a solution Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true but R is not the correct explanation of A
34	Taylor coined the term Chemical potential Water potential Matric potential Solute potential Ans:Water potential
35	If the turgor pressure of a cell increases, there is also increase in I. Y II. m III. p IV. p V. T I, II, III, IV II, III, IV I, II, III, V I, II, III Ans:I, II, III
36	A, B and C are the cells of a root. Cell A has the P of 3 MPa, Π of – 4.5 MPa and T of -0.5 MPa. Cell B has T as -0.75 MPa, Π of -4.5 Mpa and P of 2.75 MPa. Cell C has P as 6 MPa, T as -1.5 MPa and Π as – 5 MPa. If the movement of water is symplastic, Cells A, B and C are respectively Cortical cell, Trichoblast, Endodermal cell Trichoblast, Cortical cell, Endodermal cell Endodermal cell, Cortical cell, Trichoblast Cortical cell, Endodermal cell, Trichoblast Ans:Cortical cell, Endodermal cell, Trichoblast
37	Matric potential is due to the presence of Water soluble hydrophilic substances Water insoluble hydrophobic substances Water insoluble hydrophilic substances Lipohilic substances Ans:Water insoluble hydrophilic substances
38	Wall pressure is due to the development of Negavite osmotic potential Turgor pressure Negative water potential Imbibitional pressure Ans:Turgor pressure
39	In Potato osmoscope experiment, the structure that behaves as semipermeable membrane is Periderm Corky layer Cell walls of parenchyma cells Cell membrane of storage parenchyma Ans:Cell membrane of storage parenchyma
40	In a turgid cell, the wall pressure and Turgor pressure are Equal in the same directions Unequal in the same direction Equal in opposite directions Unequal in the opposite directions Ans:Equal in opposite directions
41	Match the following Plant cell Y value A) Trichoblast I)- 20 bars B) Passage cell II)- 3 M p a C) Root pericycle cell III) -1 M p a D) Mesophyll cell IV) - 25 bars V) 0 bars A - V, B - I, C - IV, D - II A - III, B - II, C - IV, D - I A - II, B - III, C - V, D - IV A - III, B - I, C - IV, D - II Ans:A - III, B - I, C - IV, D - II

MINERAL NUTRITION ASSIGNMENT

1	This organism never be a symbiont Casuarina Pisum Solanum Lycopersicon Ans:Lycopersicon
2	Orobanche is usually parasitic on a plant that belongs to order Rosales Conjugales Polemoniales Malvales Ans:Polemoniales
3	Match the following A - V, B - IV, C - I, D - III A - V, B - IV, C - I, D - II A - IV, B - V, C - II, D - I A - IV, B - III, C - I, D - II Ans:A - V, B - IV, C - I, D - III
4	Choose the correct statement All autotrophs are phototrophs All chemotrophs are heterotrophs All fungi are chemoheterotrophs All bacteria are heterotrophs Ans:All fungi are chemoheterotrophs
5	Match the following A - V, B - IV, C - II, D - I A - V, B - III, C - IV, D - II A - IV, B - III, C - I, D - II A - V, B - III, C - IV, D - I Ans:A - V, B - III, C - IV, D - I
6	Woodward carried out experiments on the plant that has Runners Suckers Leaf tendrils Decompound leaves Ans:Suckers
7	The essential elements that can bind to clay particles in ionic form are N, K, Fe, Mg, Ca, B, Mo N, K, Ca, Mg, Fe, Mn, Zn, Cu Cl, S, Mo, B, P All macro elements Ans:N, K, Ca, Mg, Fe, Mn, Zn, Cu
8	Match the following A - IV, B - I, C - II, D - III A - IV, B - III, C - II, D - I A - III, B - IV, C - II, D - I A - IV, B - III, C - I, D - II Ans:A - IV, B - III, C - II, D - I
9	[A]: Soil is a complex substance [R]: It has nutrients formed mainly by weathering Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true but R is not the correct explanation of A
10	The total number of elements distributed in various plants of Plantae is 30 40 90 70 Ans:70
11	Features of essential elements are I. Involvement in vegetative or reproductive growth II. Functions an element can be carried out by some other element III. Direct involvement in biochemical activities IV. Should be present in all molecules of the plant I and III II and IV III and IV I and II Ans:I and III
12	Match the following A - IV, B - I, C - V, D - II A - IV, B - I, C - III, D - II A - V, B - IV, C - II, D - I A - IV, B - III, C - V, D - I Ans:A - IV, B - I, C - V, D - II
13	[A]: Nickel is an essential element [R]: It is an integral part of the enzyme Urease Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true and R is the correct explanation of A
14	The ratio between the essential Macro and Micro mineral elements is 9:7 9:8 7:6 6:7 Ans:6:7
15	This is not the feature of an essential element Activator of enzyme Involving in seed development Inhibiting the activities of enzymes Maintenance of ionic balance in protoplasm Ans:Inhibiting the activities of enzymes
16	Essentiality of an element is determined by carrying out the following experiments Hydroponics Geoponics Aeroponics Sand culture Ans:Hydroponics
17	[A]: Plant life shall not exist without frame work elements [R]: Almost all the components of living organisms have C, H, O. Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true and R is the correct explanation of A
18	One of the following frame work elements is absent in one of the following organic compounds. Chlorophyll Carotene Xanthophyll Phycobilin Ans:Carotene
19	Study the following and choose the correct match A - III, B - V, C - II, D - I A - IV, B - III, C - I, D - II A - III, B - IV, C - II, D - I A - III, B - IV, C - V, D - II Ans:A - III, B - IV, C - II, D - I
20	Nitrogen containing hormones are I. IAA II. ABA III. GA3 IV. Zeatin I and II II and IV III and IV I and IV Ans:I and IV
21	Sulphur containing vitamins are Biotin Thiamine Pantothenic acid All Ans:All
22	[A]: Calcium is an important structural component of cell wall [R]: It is present in the cell wall of isolated cells Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
23	Most of the enzymes of Photosynthesis and respiration are activated by Ca Mn K Mg Ans:Mg
24	[A]: Sulphur stabilizes the protein structure. [R]: In a protein disulphide bonds are formed between Methionine and Alanine Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
25	Macroelement that mainly helps in maintaining ionic balance is Mg Ca P K Ans:K
26	The following element never acts as an activator of enzymes P K Mg Ca Ans:P
27	Group of plants that can absorb Phosphate more efficiently from soil than other groups of plants is Algae Bryophytes Angiosperms Fungi Ans:Fungi
28	Match the following A - V, B - III, C - I, D - II A - V, B - III, C - II, D - I A - III, B - IV, C - I, D - II A - IV, B - V, C - II, D - III Ans:A - V, B - III, C - II, D - I
29	Study the following table and choose the correct combination All except II All except I All except IV All Ans:All except I
30	[A]: None of the plant hormones have sulphur [R]: Sulphur containing amino acids are not involved in Phytohormone synthesis Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
31	Identify the set containing microelements S, Fe, Ni, Mo Mg, Mn, Zn, Cu Mn, Zn, Cu, Fe K, Cl, Mg, Mn Ans:Mn, Zn, Cu, Fe
32	The following element is not a part of chlorophyll but essential for its synthesis Fe Mn Zn Cu Ans:Fe
33	The following micro nutrient has a role in IAA synthesis Mn Fe Zn Cu Ans:Zn
34	The micro elements of Nitrogenase are I. Mo II. Fe III. Cu IV. Mn I and III II and III only I I and II Ans:I and II
35	The enzyme involved in the conversion of NO3- to NO2- has the following essential element. Cl B Mo Zn Ans:Mo
36	One of the following is not a micronutrient Ni Fe Ca Zn Ans:Ca
37	Cytochrome C oxidase is not an important respiratory enzyme of Clostridium Chlorella Pisum Azotobacter Ans:Clostridium
38	Match the following A - IV, B - III, C - I, D - II A - IV, B - V, C - II, D - III A - V, B - IV, C - II, D - I A - IV, B - V, C - II, D - I Ans:A - IV, B - V, C - II, D - I
39	Study the following table and choose the correct combination I and II I and III II and IV III and IV Ans:I and III
40	[A]: Most of the microelements are absorbed by plants in anionic form [R]: Cl, B, Mo are absorbed by plants in anionic form Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is false but R is true
41	[A]: Cu plays a role in photosynthetic electron transport [R]: Cu is an integral part of Ferridoxin Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
42	[A]: Zn is a part of IAA [R]: Zn is required for auxin synthesis Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is false but R is true
43	The micro element that plays a key role in ionic balance of protoplasm is Cl B Cu Mn Ans:Cl
44	Ion absorption studies are carried out by I. de Saussure II. Epstein III. Hoagland IV. Stout I and II II and III III and IV I and IV Ans:II and III
45	Choose the correct statement All ions enter passively into root cells All ions enter into root cells by using ATP All ions of soil solution enter passively into apoplast of root cells Movement of ions into root cells is always down the concentration gradient. Ans:All ions of soil solution enter passively into apoplast of root cells
46	[A]: Carbon, Hydrogen and Oxygen are not absorbed by roots [R]: C, H, and O are non-mineral elements Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is false but R is true
47	During the mediation of H+ ATPase pump for active transport of ions H+ are carried by Uniporters, Symporters and Antiporters NO3- is carried by Symporter and Antiporter Movement of H+ through uniporters is down the concentration gradient Movement of H+ through Cotransporters is against the concentration gradient. Ans:H+ are carried by Uniporters, Symporters and Antiporters
48	During the mediation of H+ ATPase pump, Sucrose is absorbed actively through Uniporters Antiporters Specific symporters Any symporter Ans:Specific symporters
49	Proton binding sites are seen in I. Uniporters II. Symporters III. Antiporters I and II II and III I and III I, II, III Ans:I, II, III
50	During the entry of ions into root cells, the following structure of root cell acts as barrier. Primary wall Cytosol Cell membrane Middle lamellum Ans:Cell membrane
51	Ions carriers are Peripheral proteins Partially embedded integral proteins Totally embedded integral proteins Lipids Ans:Totally embedded integral proteins
52	This bio-fertilizer has flagellated cells. Rhizobium Azospirillum Glomus Anabaena Ans:Azospirillum
53	The following are used for inoculating the legume seeds with Rhizobia I. Gum II. Carboxymethyl cellulose III. Humus I and II II and III I, II, III II alone Ans:I and II
54	The recommended dose of cyanobacterial use for getting better yields of Paddy is 20 kg /hectare 30kg/hectare 40kg/hectare 10kg/hectare Ans:10kg/hectare
55	These are used as biofertilizer to increase wheat production I. Anabaena II. Azolla III. Glomus IV. Azospirillum I and II III and IV II and III I and IV Ans:III and IV
56	Choose the correct statement Endomycorrhizal fungi are used as Biofertilizers Glomus forms ectomycorrhizae in Potato Azospirillum is used as Bioferilizer in Dicot crops Rhizobium is used as Biofertilizer in Paddy crop Ans:Endomycorrhizal fungi are used as Biofertilizers
57	Oat plant is associated with Blue green algae Azospirillum Endomycorrhizal fungi Ectomycorrhizal fungi Ans: Ectomycorrhizal fungi
58	AM fungi increase the absorption of the following essential element. N K P S Ans:P
59	Match the following A - IV, B - III, C - II, D - I A - III, B - I, C - IV, D - II A - IV, B - I, C - II, D - III A - IV, B - II, C - I, D - III Ans:A - IV, B - III, C - II, D - I
60	Study the following table and choose the correct combination I and II II and III III and IV I and III Ans:I and III
61	[A]: Azospirillum coverts N2 into NH3. [R]: All biofertilizers enrich the soil and plant with Nitrogen Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
62	Azolla as biofertilizer was first demonstrated in India China Japan Vietnam Ans:Vietnam
63	Match the following A - III, B - I, C - IV, D - II A - V, B - IV, C - II, D - I A - III, B - V, C - I, D - II A - III, B - I, C - V, D - II Ans:A - III, B - I, C - V, D - II
64	Algalisation technique is introduced in India by Iyengar Rattan Venkataraman Maheswari Ans:Venkataraman
65	In an epidermal cell of root, there were 800 H+, 100 Na+, 30 NO3 and 50 sucrose molecules in the solution present between cell wall and cell membrane. After sometime, due to operation of H+ ATPase pump, the apoplast had showed the presence of 850 H+, 125 Na+, 3 NO3 and 5 sucrose molecules. The net utilization of ATP and the total number of H+recycled back to symplast are respectively are 147, 50 47, 97 147, 97 150, 100 Ans:147, 97
66	Choose the correct statement with respect to secondary active transport through symporter during the operation of H+ ATPase in the cell membrane of Rhizodermal cell. I. Before binding of H+ to the symporter, the S binding site is neither exposed towards solution of apoplst nor symplast. II. After binding of H+ to the symporter, the symporter is subjected to conformational changes in such a way that both H+ binding site and substrate binding site are exposed towards the solution of apoplast. III. After binding of the substrate to the symporter, the H+ binding site is exposed towards the symplast and S binding site remained exposed towards apoplast. IV. After the release of H+ into the symplast, symporter is subjected to conformational change to expose the S binding site towards the solution of symplast. I and II II and III III and IV I and IV Ans:I and II
67	Identify the false pair Symporter - Cotransporter Antoporter - Cotransporter Uniporter – Primary active transport Apoplast - Antoporter Ans:Apoplast - Antoporter
68	The essential element which is essential for binding ribosomal subunits is also essential as a structural component of I. Cell membrane II. Middle lamellum III. P700 IV. Cytochrome I and II II and III III and IV I and IV Ans:II and III
69	During the operation of H+ ATPase pump in the cell membrane of root cells, Primary active transport causes decrease in pH of apoplast no change in the pH of symplast decrease in the pH of cytoplasm no change in pH in apoplast and symplast Ans:decrease in pH of apoplast
70	The following biomolecules lack trace elements I. Caroten II. Cytochrome III. Chlorophyll III. ATP All except I All except II All except III All Ans:All except II
71	Zn is essential for the formation of Rooting hormone Flowering hormone Anti-aging hormone Anti-transpiration hormone Ans:Rooting hormone
72	[A]: Azolla is a Pteridophyte [R]: It is true land plant Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false