(a) Ginkgo (b) Selaginella (c) Polypodium (d) Azolla Ans. a (9)
Two satellite are revolving around the earth with velocities v1 and v2 and in radii r1 and r2 (r1 > r2) respectively Then (a) v1 = v2 …
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 length will be (a) 2×1012 N/m …
(a) Azolla (b) Salvinia (c) Marsilia (d) Pteridium Ans. a (11)
(a) Apospory (b) Apogamy (c) Apomictic (d) Apomixis Ans. a (9)
(a) Byophyte (b) Pteridophyte (c) Gymnosperm (d) Angiosperm Ans. b (5)
(a) Length of the wire (b) Radius of the wire (c) Material of the wire (d) Shape of the cross section Answer-c (13)
(a) Azolla (b) Salvinia (c) Pteris (d) Both (a) and (b) Ans. d (5)
(a) Lycopodium (b) Lygodium (c) Psilotum (d) Rhynia Ans. d (5)
(a) Solenostele (b) Protostele (c) Dictyostele (d) Siphonostele Ans. b (12)
(a) Square of the distance of the milky way from the earth (b) Distance of milky way from the earth (c) Mass of the milky way (d) Product of the mass of the milky way and its distance from the …
(a) Psilophytales (b) Lycopods (c) Horse-tail (d) Cycas Ans. a (14)
(a) Gametophyte of fern (b) Sporophyte of angiosperm (c) Sporophyte of gymnosperm (d) Sporophyte of fern Ans. a (6)
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 (d) a=1/2,b=-1/2,c=-1/2 Answer: b (8)
(a) Gametophyte (b) Sporophyte (c) Sporangium (d) Prothallus Ans. b (10)
(a) Haploid (b) Diploid (c) Triploid (d) Tetraploid Ans. a (6)
(a) Homospory (b) Homothallism (c) Heterospory (d) Apospory Ans. c (8)
(a) Sporangiophore (b) Sorus (c) Sporangium (d) Strobilus or cone Ans. d (43)
(a) Monoecious gametophytes (b) Dioecious gametophytes (c) Homothallic gametophytes (d) None of the above Ans. b (8)
(a) 4π2 R3 G-1T-2 (b) 8π2 R3 G-1T-2 (c) 12π2 R3 G-1T-2 (d) 16π2 R3 G-1T-2 Answer: a (10)
(a) Haploid (b) Gametophytic (c) Diploid (d) Triploid Ans. c (10)
(a) 2.507 (b) 1.033 (c) 8.324 (d) 1.000 Answer: b (7)
(a) Heterospory (b) Seed bearing (c) Homospory (d) Tracheids and vessels Ans. c (6)
(a) Sporophyte is parasitic over gametophyte (b) Gametophyte is parasitic over sporophyte (c) Sporophyte is independent of gametophyte (d) Sporophyte is semiparasite Ans. a (5)
(a) Algae, mosses and ferns (b) Algae, mosses and gymnosperms (c) Mosses, ferns and gymnosperms (d) Only algae and mosses Ans. a (13)
(a) Algae (b) Ferns (c) Mosses (d) Fungi Ans. b (13)
(a) Ability to photosynthesize (b) Fibrous root system (c) Woody stem (d) Non-swimming sperms Ans. d (42)
(a) Fusion is not accompanied with zygote formation (b) Fusion between morphologically similar strain (c) Fusion between the strains of structurally similar and physiologically different (d) All the above Ans. c (9)
(a) Spores and gametes are invariably diploids (b) Spores and gametes are invariably haploids (c) Only gametes are invariably haploids (d) Only spores are invariably diploids Ans. b (5)
(a) Sexual and asexual spores (b) Large and small spores (c) Haploid and diploid spores (d) Diploid and tetraploid spores Ans. b (7)
(a) Pteridophyta (b) Gymnosperms (c) Angiosperm (d) Both (a) and (b) Ans. d (54)
(a) Selaginella (b) Isoetes (c) Marselia (d) All the above Ans. d (7)
(a) P. Maheshwari (b) S.R. Kashyap (c) Sahani (d) V. Puri Ans. c (7)
(a) Bryophyta (b) Pteridophyta (c) Gymnosperms (d) Angiosperms Ans. b (42)
(a) Roots (b) Rhizoids (c) Haustoria (d) Stem Ans. b (5)
(a) As Funaria is a bryophyte plant (b) As branches will not develop (c) As fertilization takes place in presence of water only (d) As plant is delicate and will become dry and die without water Ans. c (17)
(a) Foot (b) Seta (c) Elaters (d) Columella Ans. c (9)
(a) On the apex of leaves (b) In the axil of leaves (c) On the apex of stem (d) On the base of stem Ans. c (18)
(a) Aciliated (b) Biciliated (c) Multiciliated (d) Monociliated Ans.b (8)