May 2022
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May 23, 2022
(a) Homothallic (b) Heterothallic (c) Heterotrophic (d) Heteromorphic Ans. a (12)
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May 23, 2022
(a) Brown algae (b) Sphagnum (c) Ferns (d) Cycads Ans. c (13)
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May 23, 2022
Two wires A and B are of same materials. Their lengths are in the ratio 1 : 2 and diameters...
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May 23, 2022
a. Ionic solids b. Molecular solids c. Amorphous solids d. Liquids Ans. a Explanation : Point defect arises because of...
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May 23, 2022
a. AgBr b. AgCl c. KBr d. ZnS Ans. c Explanation : KBr exhibits Schottky defect and not Frenkl defect....
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May 23, 2022
a. Metal excess defect b. Metal deficiency defect c. Displacement defect d. Impurity defect Ans. b Explanation : Metal deficiency...
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May 23, 2022
a. 2 b. 1 c. 3 d. 5 Ans. d (5)
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May 23, 2022
a. Disloction defect b. Schottky defect c. Frenkel defect d. Electronic defect Ans. d Explanation : When electron rich or...
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May 23, 2022
a. p-type semiconductor b. n-type semiconductor c. Intrinsic semiconductor d. Insulator Ans. b (25)
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May 23, 2022
a. Metallic conductor b. Insulator c. n- type semiconductor d. p-type semiconductor Ans. c Explanation : Excess of one valence...
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May 23, 2022
a. Frenkel defect b. Schottky defect c. Non-stoichiometric defect d. Simple intertitial defect Ans. a Explanation : Frankel defect is...
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May 23, 2022
(a) Presence of vascular system (b) Absence of flowers (c) Absence of fruits (d) All the above Ans. d (13)
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May 23, 2022
(a) (2Gm/r)1/2≤c (b) (2Gm/r)1/2=c (c) (2Gm/r)1/2≥c (d) (gm/r)1/2≥c Answer: c (7)
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May 23, 2022
(a) Multiplies very fast to produce massive biomass (b) Has association of nitrogen-fixing Rhizobium (c) Has association of nitrogenfixing cyanobacteria...
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May 23, 2022
(a) Bacteria (b) Gymnosperm (c) Pteridophytes (d) Archaebacteria Ans. c (7)
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May 23, 2022
(a) Ginkgo (b) Selaginella (c) Polypodium (d) Azolla Ans. a (10)
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May 23, 2022
Two satellite are revolving around the earth with velocities v1 and v2 and in radii r1 and r2 (r1 >...
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May 23, 2022
The area of cross section of a steel wire (Y=2.0×1011 N/m2) is 0.1 cm2 . The force required to double its...
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May 23, 2022
(a) Azolla (b) Salvinia (c) Marsilia (d) Pteridium Ans. a (12)
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May 23, 2022
(a) Apospory (b) Apogamy (c) Apomictic (d) Apomixis Ans. a (10)
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May 23, 2022
(a) Byophyte (b) Pteridophyte (c) Gymnosperm (d) Angiosperm Ans. b (6)
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May 23, 2022
(a) Length of the wire (b) Radius of the wire (c) Material of the wire (d) Shape of the cross...
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May 23, 2022
(a) Azolla (b) Salvinia (c) Pteris (d) Both (a) and (b) Ans. d (8)
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May 23, 2022
(a) Lycopodium (b) Lygodium (c) Psilotum (d) Rhynia Ans....
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May 23, 2022
(a) Solenostele (b) Protostele (c) Dictyostele (d) Siphonostele Ans. b (13)
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May 23, 2022
(a) Square of the distance of the milky way from the earth (b) Distance of milky way from the earth...
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May 23, 2022
(a) Psilophytales (b) Lycopods (c) Horse-tail (d) Cycas Ans. a (16)
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May 23, 2022
(a) Gametophyte of fern (b) Sporophyte of angiosperm (c) Sporophyte of gymnosperm (d) Sporophyte of fern Ans. a (7)
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May 23, 2022
If orbital velocity of planet is given by v =Ga Mb Rc , then (a) a=1/3,b=1/3,c=-1/3 (b) a=1/2,b=1/2,c=-1/2 (c) a=1/2,b=-1/2,c=-1/2...
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May 23, 2022
(a) Gametophyte (b) Sporophyte (c) Sporangium (d) Prothallus Ans. b (10)
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May 23, 2022
(a) Haploid (b) Diploid (c) Triploid (d) Tetraploid Ans. a (7)
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May 23, 2022
(a) Homospory (b) Homothallism (c) Heterospory (d) Apospory Ans. c (14)
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May 23, 2022
(a) Sporangiophore (b) Sorus (c) Sporangium (d) Strobilus or cone Ans. d (52)
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May 23, 2022
(a) Monoecious gametophytes (b) Dioecious gametophytes (c) Homothallic gametophytes (d) None of the above Ans. b (10)
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May 23, 2022
(a) 4π2 R3 G-1T-2 (b) 8π2 R3 G-1T-2 (c) 12π2 R3 G-1T-2 (d) 16π2...
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May 23, 2022
(a) Algae (b) Fungi (c) Bryophytes (d) Pteridophytes Ans. d (7)
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May 23, 2022
(a) Haploid (b) Gametophytic (c) Diploid (d) Triploid Ans. c (11)
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May 23, 2022
(a) 2.507 (b) 1.033 (c) ...
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May 23, 2022
(a) Heterospory (b) Seed bearing (c) Homospory (d) Tracheids and vessels Ans. c (8)
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May 23, 2022
(a) Sporophyte is parasitic over gametophyte (b) Gametophyte is parasitic over sporophyte (c) Sporophyte is independent of gametophyte (d) Sporophyte...