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BIOLOGY

HomeBIOLOGYPage 9
(a)  Coenozoic                          (b)  Palaeozoic (c)   Pre–cambrian                   (d)  Mesozoic Ans.b (8)
(a)  Veins                                  (b)  Xylem parenchyma (c)   Transfusion tissue            (d)  Medullary rays Ans. c (8)
(a)  Abies balsamea                  (b)  Impatiens balsamia (c)   Pinus sp.                            (d)  Helianthus annus Ans. a (6)
(a)  Cotyledon                          (b)  Endosperm (c)   Ovary wall                         (d)  Testa Ans. c (10)
(a)  Tap root                             (b)  Adventitious roots (c)   Rhizoid                               (d)  Rhizophores Ans. d (13)
(a) Cedrus                                 (b)  Pinus (c)   Dalbergia                           (d)  Sequoia Ans. d (7)
(a)  Cycas                                  (b)  Pinus (c)   Zamia                                 (d)  Gnetum Ans. c (9)
(a)  They are seedless plants (b)  They are not pollinated (c)   They have no ovary (d)  Process of fertilization does...
(a)  Animals                             (b)  Wind (c)   Water                                 (d)  Insects Ans. b (9)
(a)  Trees                                  (b)  Shrubs (c)   Lianas                                (d)  Herbs Ans.d (7)
(a)  Only antheridia (b)  Both antheridia and archegonia (c)   Archegonia but no antheridia (d)  Both absent Ans. c (8)
(a)  Fungi                                  (b)  Bryophytes (c)   Pteridophytes                   (d)  Gymnosperms Ans. d (6)
(a)  Bulbs                                  (b)  Corms (c)   Rhizomes                           (d)  Seeds Ans. d (8)
(a)  Algae                                  (b)  Bryophyta (c)   Pteridophyta                     (d)  Gymnosperms Ans. d (10)
(a)  Gymnosperms                   (b)  Dicots (c)   Monocots                           (d)  All the above Ans. a (10)
(a)  Selaginella                         (b)  Fern (c)   Pinus                                  (d)  Both (a) and (c) Ans. d (29)
(a)  Xerophytic                         (b)  Hydrophytic (c)   Halophytic                         (d)  Epiphytic Ans. a (7)
(a)  Ligule                                 (b)  Indusium (c)   Stipule                               (d)  Petiole Ans. a   (9)
(a)  Ramenta                            (b)  Trabeculae (c)   Rhizophore                        (d)  Ligule Ans. a (20)
(a)  Cycas                                  (b)  Riccia (c)   Selaginella                         (d)  Funaria Ans. c (8)
(a)  Elongated body with two flagella at one end (b)  Elongated body with many flagella at one end (c)   Top...
(a)  Apospory                           (b)  Aplanospory (c)   Apogamy                           (d)  Cleistogamy Ans. c (6)
(a)  Petiole                                (b)  Ligule (c)   Bract                                  (d)  Spathe Ans. b (13)
(a)  Chlamydomonas                (b)  Rhizopus (c)  Selaginella                          (d)...
(a)  Selaginella                         (b)  Equisetum (c)   Puccinia                              (d)  Rhizopus Ans. a (42)
(a)  Selaginella                         (b)  Welwitschia (c)   Refflesia                             (d)  Chlorella Ans. a (9)
(a)  Sperms                              (b)  Microspores only (c)   Megaspores only               (d)  Both (b) and (c) Ans. d (29)
(a)  A modified leaf                 (b)  A root (c)   A shoot                               (d)  Organ sui genesis Ans. d (7)
(a)  Spirogyra                           (b)  Mucor (c)   Selaginella                         (d)  Pinus Ans. c (15)
(a)  Gametophyte (b)  Sporophyte (c)   Both gametophyte and sporophyte (d)  Halophyte Ans. b (6)
(a)  Funaria                               (b)  Selaginella (c)   All pteridophytes             (d)  All bryophytes Ans. b (8)
(a)  Heterospory (b)  Reduction in the number of megaspores (c)   Retention of a megaspores in the cone (d)  All the...
(a)  Wall of sporangium          (b)  Sporogenous tissue (c)   Sporophyll                         (d)  Basal part of cone Ans. b (10)
(a)  One                                    (b)  Two (c)   Three                                 (d)  Four Ans. b (9)
(a)  The microgametophyte is devoid of chloro~phyll at maturity (b)  The megagametophyte possesses chlorophyll at maturity (c)   The megagametophyte develops...
(a)  Meroblastic                       (b)  Holoblastic (c)   Aposporous                       (d)  None of the above Ans. a (9)
(a)  Exogenous in origin (b)  Endogenous in origin (c)   Internal in origin (d)  None of the above Ans. a (11)
(a)  Fern                                   (b)  Selaginella (c)   Pinus                                  (d)  Moss Ans. b (14)
(a)  Heterospory (b)  Protostele (c)   Development of sporangium (d)  Absence of ovule Ans. d   (7)
(a)  Root (b)  Stem (c)   A new organ called sui generis (d)  None of the above Ans. c (9)
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