jyoti
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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
a. Frenkel defect b. Schottky defect c. Metal deficiency defect d. Metal excess defect Ans. d Explanation : In metal...
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May 23, 2022
a. Brass is an interstitial alloy, while steel is a substitutional alloy, while steel is a substitutinal b. Brass is...
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May 23, 2022
Ag+ << Br– . The AgBr crystal should have the following characteristics a. Defectless (perfect) crystal b. Schottky defect only...
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May 23, 2022
a. Softer b. less tensile c. less malleable d. more ductile Ans. b Explanation : On adding non-metal the metal...
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May 23, 2022
a. Establishing thermal equilibrium b. Having tendency to diffuse c. Contributing to scattering d. Introducing new electronic energy levels Ans....
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May 23, 2022
a. NaCl b. KCl c. CsCl d. All of these Ans. d Explanation : Schottky defects occurs in highly ionic...
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May 23, 2022
a. Frenkel defect b. Metal excess defect c. Metal deficiency generally defect d. Schottky defect Ans. b (9)
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May 23, 2022
a. Positive ions and negative ions are of different size b. Positive ions and negative ions are of same size...
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May 23, 2022
(a) Protonema (b) Prothallus (c) Proembryo (d) Embryo Ans. a (10)
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May 23, 2022
(a) Pteridophytes (b) Pines (c) Monocots (d) Dicots Ans. a (8)
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May 23, 2022
(a) Gametophyte (b) Sporophyte (c) Both (a) and (b) (d) None of these Ans. b (11)
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May 23, 2022
(a) Peristome teeth (b) Annulus (c) Calyptra (d) Operculum Ans. a (7)
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May 23, 2022
(a) Spirogyra (b) Mucor (c) Moss (d) Both (b) and (c) Ans. c (14)
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May 23, 2022
(a) 1 (b) 2 (c) 3 (d) 4 Ans. b (6)
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May 23, 2022
(a) Antheridia (b) Capsule (c) Protonema (d) Archegonium Ans. d (8)
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May 23, 2022
(a) Hydrophobic (b) Sensitive to touch (c) Hygroscopic (d) None of the above Ans. c (8)
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May 23, 2022
Poly – β – hydroxybutyrate – co – β hydroxyvalerate is (PHBV) is a copolymer of a. 3 – hydroxbutanoic...
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May 23, 2022
(a) Antheredium (b) Protonema (c) Archegonia (d) Capsule Ans. b (7)
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May 23, 2022
(a) Meroblastic (b) Coeloblastic (c) Metablastic (d) Holoblastic Ans. d (8)
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May 23, 2022
(a) Antheridiophore (b) Archegoniophore (c) Sporophyte (d) Gametophyte Ans. c (8)
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May 23, 2022
(a) Haploid (b) Tetraploid (c) Diploid (d) Triploid Ans. c (6)
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May 23, 2022
(a) Fertile tissue (b) Photosynthesis (c) Nutrition (d) Protecting tissue Ans. c (8)
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May 23, 2022
(a) Prothallus (b) Sporophyte (c) Protonema (d) Gametophyte Ans. c (9)
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May 23, 2022
(a) Chlorophyll–a (b) Chlorophyll–b (c) Chlorophyll–c (d) Chlorophyll–d Ans. a (11)
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May 23, 2022
(a) Always autotrophic (b) Always heterotrophic (c) Both (a) and (b) (d) None of the above Ans. c (8)
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May 23, 2022
(a) Fossil pteridophyte (b) A part of the sporophyte of Funaria (c) The juvenile phase of the moss gametophyte (d) ...
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May 23, 2022
(a) Spore (b) Protonema (c) Columella (d) Paraphysis Ans. c (8)
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May 23, 2022
(a) Buds (b) Colourless rhizoids (c) Oblique septa and discoid chloroplast (d) All of the above Ans. d (10)
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May 23, 2022
(a) Xylem and phloem (b) Parenchyma (c) Collenchyma (d) Xylem Ans. b (31)
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May 23, 2022
(a) In the epidermis of stem (b) In the capsule epidermis (c) In the leaf epidermis (d) All the above...
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May 23, 2022
(a) No fruits are produced (b) No seeds are produced (c) Antheridia and archegonia are present (d) Presence of sporophyte...