May 2022
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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)
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May 23, 2022
(a) Funaria (b) Selaginella (c) Pinus (d) Cycas Ans. a (7)
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May 23, 2022
(a) Unicellular simple rhizoids (b) Tuberculated rhizoids (c) Distinct branched coenocytic rhizoids (d) Multicellular, oblique septate rhizoids Ans. d (7)
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May 23, 2022
(a) Spore sac (b) Protonema (c) Collumela (d) Apophysis Ans. c (9)
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May 23, 2022
(a) Leaf (b) Stem (c) Upper part of capsule (d) Lower part of capsule Ans.d (6)
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May 23, 2022
(a) Total parasite (b) Partial parasite (c) Independent (d) All the above Ans. b (12)
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May 23, 2022
(a) 4 neck canal cells, 1 venter canal cell and one oosphere (b) 4 neck canal cells, 2 venter canal...
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May 23, 2022
(a) Peristome teeth and seta (b) Shrinkage of annulus and explosion of capsule (c) Death and decay of thallus and...
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May 23, 2022
(a) Chemoautotrophs (b) Partial parasite (c) Photosynthetically independent (d) Total parasite Ans. d (13)
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May 23, 2022
(a) Simple sporophytic stage (b) Spores are released by rupture of sporangiam (c) Sporophyte is total parasite (d) Rhizoids are...
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May 23, 2022
(a) Unicellular smooth-walled (b) Unicellular tuberculate (c) Both smooth–walled and tuberculate unicellular (d) Multicellular smooth-walled and tuberculate Ans. c (5)
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May 23, 2022
(a) Branched unicellular (b) Branched multicellular (c) Unbranched multicellular (d) Unbranched unicellular Ans. d (10)
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May 23, 2022
(a) Moss (b) Riccia (c) Azolla (d) Fern Ans. b (27)
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May 23, 2022
(a) Spores, elaters and nutritive cells (b) Spores and nutritive cells (c) Elaters and spores (d) Spores only Ans. b...
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May 23, 2022
(a) Thallus (b) Capsule (c) Zygote (d) Spore Ans. c (7)
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May 23, 2022
(a) Rounded (b) Cup-shaped (c) Star-shaped (d) Flask–shaped Ans. d (8)
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May 23, 2022
(a) Sporophyte (b) Gametophyte (c) Aquatic (d) Sporophyte Ans. b (9)
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May 23, 2022
(a) Triploid (b) Diploid (c) Haploid (d) Tetraploid Ans. c (7)
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May 23, 2022
(a) Egg (b) Zygote (c) Antherozoids (d) Spore mother cells Ans. d (12)
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May 23, 2022
Two circular discs A and B are of equal masses and thickness but made of metals with densities dA and...
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May 23, 2022
The moment of inertia of a solid sphere of density ρ and radius R about its diameter is (a) (105/176)R5ρ (b) ...
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May 23, 2022
(a) 29√2 days (b) 29 /√2 days (c) 29 × 2 days (d) 29 days Answer: d (5)
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May 23, 2022
(a) 1/3 (b) 1/9 (c) 1/27 (d) 1/4 Answer; b (7)
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May 23, 2022
The maximum and minimum distances of a comet from the sun are 8 × 1012 m and 1.6 × 1012...
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May 23, 2022
(a) Sliding of molecular layer is much easier than compression or expansion (b) Reciprocal of bulk modulus of elasticity is...
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May 23, 2022
a. Frenkel defect b. Schottky defect c. Metal deficiency defect d. Metal excess defect Ans. d Explanation : In metal...