jyoti
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May 26, 2022
(a)Â Biciliate and coiled (b)Â Multiciliate and sickle-shaped (c)Â Â Multiciliate and coiled (d)Â Biciliate and sickle-shaped Ans. b (12)
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May 26, 2022
(a) Elaters                              (b) Spore mother cells (c)  Spore                                (d) Zygote Ans. c (7)
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May 26, 2022
(a) Sporophyll                        (b) Frond (c)  Leaf petiole                      (d) Leaf node Ans. b (7)
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May 26, 2022
(a) Operculum                       (b) Annulus (c)  Stomium                           (d) Ostiole Ans. c (11)
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May 26, 2022
(a) Biconvex                           (b) Circular (c)  Biconcave                         (d) Plano-convex Ans. a (11)
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May 26, 2022
(a) Spherical                           (b) Coiled (c)  Multiflagellate                  (d) All of the above Ans. c (6)
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May 26, 2022
(a) Heart-shaped                   (b) Dorsiventral (c)  Green                                (d) All of the above Ans. d (10)
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May 26, 2022
(a) Margin of leaf                   (b) Abaxial side of leaf (c)  Adaxial side of leaf          (d) Only on the tip of...
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May 26, 2022
(a) Sporangiophore               (b) Annulus (c)  Stomium                           (d) Indusium Ans. b (9)
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May 26, 2022
(a) Hadrocentric                    (b) Leptocentric (c)  Radial                                (d) Conjoint collateral Ans. a (11)
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May 23, 2022
(a) Haploid                             (b) Diploid (c)  Polyploid                          (d) Triploid Ans. a (13)
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May 23, 2022
(a) Sporangium                     (b) Oogonium (c)  Archegonium         (d)   Stomium Ans. a (25)
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May 23, 2022
(a) Sporophyll                        (b) Sorus (c)  Cone                                  (d) Ramenta Ans. b (16)
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May 23, 2022
(a) Parallel                             (b) Reticulate (c)  Dichotomous                    (d) Open furcate Ans. d (18)
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May 23, 2022
(a) Apospory                          (b) Parthenogenesis (c)  Parthenocarpy                 (d) Apogamy Ans. d (7)
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May 23, 2022
(a) Cycas stem                        (b) Pinus needle (c)  Fern leaf                           (d) Fern rhizome Ans. d (22)
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May 23, 2022
(a)Â Possess a single layer of wall cells (b)Â Produce very few spores (c)Â Â Originate from a group of initial...
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May 23, 2022
(a)Â Sporophytic stage (b)Â Gametophytic stage (c)Â Â Sporophytic and gametophytic stage (d)Â Apomictic stage Ans. b (20)
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May 23, 2022
(a) Dictyostele                        (b) Siphonostele (c)  Protostele                         (d) None of these Ans. a (6)
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May 23, 2022
(a) Pollen tube                       (b) Water (c)  Archegonia                       (d) Flagellated sperms Ans. a (13)
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May 23, 2022
(a) Rhizome                            (b) Indusium (c)  Sori                                    (d) Ramenta Ans. d (9)
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May 23, 2022
(a) Ramentum                       (b) Sorus (c)  Indusium                          (d) Sporophyll/Frond Ans. d (14)
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May 23, 2022
(a) Homothallic                      (b) Heterothallic (c)  Heterotrophic                  (d) Heteromorphic Ans. a (12)
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May 23, 2022
(a) Brown algae                     (b) Sphagnum (c)  Ferns                                 (d) Cycads Ans. c (13)
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May 23, 2022
a. Ionic solids b. Molecular solids c. Amorphous solids d. Liquids Ans. a Explanation : Point defect arises because of...
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May 23, 2022
a. AgBr b. AgCl c. KBr d. ZnS Ans. c Explanation : KBr exhibits Schottky defect and not Frenkl defect....
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May 23, 2022
a. Metal excess defect b. Metal deficiency defect c. Displacement defect d. Impurity defect Ans. b Explanation : Metal deficiency...
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May 23, 2022
a. 2 b. 1 c. 3 d. 5 Ans. d (5)
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May 23, 2022
a. Disloction defect b. Schottky defect c. Frenkel defect d. Electronic defect Ans. d Explanation : When electron rich or...
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May 23, 2022
a. p-type semiconductor b. n-type semiconductor c. Intrinsic semiconductor d. Insulator Ans. b (25)
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May 23, 2022
a. Metallic conductor b. Insulator c. n- type semiconductor d. p-type semiconductor Ans. c Explanation : Excess of one valence...
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May 23, 2022
a. Frenkel defect b. Schottky defect c. Non-stoichiometric defect d. Simple intertitial defect Ans. a Explanation : Frankel defect is...
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May 23, 2022
(a)Â Presence of vascular system (b)Â Absence of flowers (c)Â Â Absence of fruits (d)Â All the above Ans. d (13)
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May 23, 2022
(a)Â Multiplies very fast to produce massive biomass (b)Â Has association of nitrogen-fixing Rhizobium (c)Â Â Has association of nitrogenfixing cyanobacteria...
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May 23, 2022
(a) Bacteria                            (b) Gymnosperm (c)  Pteridophytes                  (d) Archaebacteria Ans. c (7)
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May 23, 2022
(a) Ginkgo                               (b) Selaginella (c)  Polypodium                       (d) Azolla Ans. a (10)
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May 23, 2022
(a) Azolla                                (b) Salvinia (c)  Marsilia                             (d) Pteridium Ans. a (12)
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May 23, 2022
(a) Apospory                          (b) Apogamy (c)  Apomictic                         (d) Apomixis Ans. a (10)
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May 23, 2022
(a) Byophyte                          (b) Pteridophyte (c)  Gymnosperm                   (d) Angiosperm Ans. b (6)
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May 23, 2022
(a) Azolla                                (b) Salvinia (c)  Pteris                                (d) Both (a) and (b) Ans. d (8)