2022
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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...
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May 23, 2022
(a) Algae, mosses and ferns (b) Algae, mosses and gymnosperms (c) Mosses, ferns and gymnosperms (d) Only algae and mosses...
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May 23, 2022
(a) Algae (b) Ferns (c) Mosses (d) Fungi Ans. b (15)
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May 23, 2022
(a) Ability to photosynthesize (b) Fibrous root system (c) Woody stem (d) Non-swimming sperms Ans. d (57)
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May 23, 2022
(a) Fusion is not accompanied with zygote formation (b) Fusion between morphologically similar strain (c) Fusion between the strains of...
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May 23, 2022
(a) Spores and gametes are invariably diploids (b) Spores and gametes are invariably haploids (c) Only gametes are invariably haploids...
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May 23, 2022
(a) Sexual and asexual spores (b) Large and small spores (c) Haploid and diploid spores (d) Diploid and tetraploid spores...
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May 23, 2022
(a) Pteridophyta (b) Gymnosperms (c) Angiosperm (d) Both (a) and (b) Ans. d (62)
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May 23, 2022
(a) Selaginella (b) Isoetes (c) Marselia (d) All the above Ans. d (8)
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May 23, 2022
(a) P. Maheshwari (b) S.R. Kashyap (c) Sahani (d) V. Puri Ans. c (8)
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May 23, 2022
(a) Bryophyta (b) Pteridophyta (c) Gymnosperms (d) Angiosperms Ans. b (53)
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May 23, 2022
(a) Roots (b) Rhizoids (c) Haustoria (d) Stem Ans. b (6)
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May 23, 2022
(a) As Funaria is a bryophyte plant (b) As branches will not develop (c) As fertilization takes place in presence...
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May 23, 2022
(a) Foot (b) Seta (c) Elaters (d) Columella Ans. c (10)
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May 23, 2022
(a) On the apex of leaves (b) In the axil of leaves (c) On the apex of stem (d) On...
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May 23, 2022
(a) Aciliated (b) Biciliated (c) Multiciliated (d) Monociliated Ans.b (8)