jyoti
-
May 23, 2022
(a)Â Spores, elaters and nutritive cells (b)Â Spores and nutritive cells (c)Â Â Elaters and spores (d)Â Spores only Ans. b...
-
May 23, 2022
(a) Thallus                              (b) Capsule (c)  Zygote                               (d) Spore Ans. c (7)
-
May 23, 2022
(a) Rounded                           (b) Cup-shaped (c)  Star-shaped                     (d) Flask–shaped Ans. d (8)
-
May 23, 2022
(a) Sporophyte                      (b) Gametophyte (c)  Aquatic                             (d) Sporophyte Ans. b (9)
-
May 23, 2022
(a) Triploid                             (b) Diploid (c)  Haploid                             (d) Tetraploid Ans. c (7)
-
May 23, 2022
(a) Egg                                    (b) Zygote (c)  Antherozoids                   (d) Spore mother cells Ans. d (12)
-
May 23, 2022
a. Frenkel defect b. Schottky defect c. Metal deficiency defect d. Metal excess defect Ans. d Explanation : In metal...
-
May 23, 2022
a. Brass is an interstitial alloy, while steel is a substitutional alloy, while steel is a substitutinal b. Brass is...
-
May 23, 2022
Ag+ << Br– Â . The AgBr crystal should have the following characteristics a. Defectless (perfect) crystal b. Schottky defect only...
-
May 23, 2022
a. Softer b. less tensile c. less malleable d. more ductile Ans. b Explanation : On adding non-metal the metal...
-
May 23, 2022
a. Establishing thermal equilibrium b. Having tendency to diffuse c. Contributing to scattering d. Introducing new electronic energy levels Ans....
-
May 23, 2022
a. NaCl b. KCl c. CsCl d. All of these Ans. d Explanation : Schottky defects occurs in highly ionic...
-
May 23, 2022
a. Frenkel defect b. Metal excess defect c. Metal deficiency generally defect d. Schottky defect Ans. b (9)
-
May 23, 2022
a. Positive ions and negative ions are of different size b. Positive ions and negative ions are of same size...
-
May 23, 2022
(a) Protonema                       (b) Prothallus (c)  Proembryo                       (d) Embryo Ans. a (10)
-
May 23, 2022
(a) Pteridophytes                  (b) Pines (c)  Monocots                          (d) Dicots Ans. a (8)
-
May 23, 2022
(a) Gametophyte                   (b) Sporophyte (c)  Both (a) and (b)              (d) None of these Ans. b (11)
-
May 23, 2022
(a) Peristome teeth               (b) Annulus (c)  Calyptra                            (d) Operculum Ans. a (7)
-
May 23, 2022
(a) Spirogyra                          (b) Mucor (c)  Moss                                  (d) Both (b) and (c) Ans. c (14)
-
May 23, 2022
(a)Â 1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)Â 2 (c)Â Â 3Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (d)Â 4 Ans. b (6)
-
May 23, 2022
(a) Antheridia                        (b) Capsule (c)  Protonema                       (d) Archegonium Ans. d (8)
-
May 23, 2022
(a) Hydrophobic                    (b) Sensitive to touch (c)  Hygroscopic                      (d) None of the above Ans. c (8)
-
May 23, 2022
Poly – β – hydroxybutyrate – co – β hydroxyvalerate is (PHBV) is a copolymer of a. 3 – hydroxbutanoic...
-
May 23, 2022
(a) Antheredium                   (b) Protonema (c)  Archegonia                       (d) Capsule Ans. b (7)
-
May 23, 2022
(a) Meroblastic                      (b) Coeloblastic (c)  Metablastic                       (d) Holoblastic Ans. d (8)
-
May 23, 2022
(a) Antheridiophore             (b) Archegoniophore (c)  Sporophyte                      (d) Gametophyte Ans. c (8)
-
May 23, 2022
(a) Haploid                             (b) Tetraploid (c)  Diploid                              (d) Triploid Ans. c (6)
-
May 23, 2022
(a) Fertile tissue                    (b) Photosynthesis (c)  Nutrition                           (d) Protecting tissue Ans. c (8)
-
May 23, 2022
(a) Xylem                                (b) Phloem (c)  Pith              ...
-
May 23, 2022
(a) Prothallus                         (b) Sporophyte (c)  Protonema                       (d) Gametophyte Ans. c (9)
-
May 23, 2022
(a) Chlorophyll–a                  (b) Chlorophyll–b (c)  Chlorophyll–c                   (d) Chlorophyll–d Ans. a (11)
-
May 23, 2022
(a) Always autotrophic         (b) Always heterotrophic (c)  Both (a) and (b)              (d) None of the above Ans. c (8)
-
May 23, 2022
(a)Â Fossil pteridophyte (b)Â A part of the sporophyte of Funaria (c)Â Â The juvenile phase of the moss gametophyte (d)Â ...
-
May 23, 2022
(a) Spore                                (b) Protonema (c)  Columella                         (d) Paraphysis Ans. c (8)
-
May 23, 2022
(a)Â Buds (b)Â Colourless rhizoids (c)Â Â Oblique septa and discoid chloroplast (d)Â All of the above Ans. d (10)
-
May 23, 2022
(a) Xylem and phloem          (b) Parenchyma (c)  Collenchyma                    (d) Xylem Ans. b (31)
-
May 23, 2022
(a)Â In the epidermis of stem (b)Â In the capsule epidermis (c)Â Â In the leaf epidermis (d)Â All the above...
-
May 23, 2022
(a)Â No fruits are produced (b)Â No seeds are produced (c)Â Â Antheridia and archegonia are present (d)Â Presence of sporophyte...