(a) Biciliate and coiled (b) Multiciliate and sickle-shaped (c) Multiciliate and coiled (d) Biciliate and sickle-shaped Ans. b (10)
(a) Elaters (b) Spore mother cells (c) Spore (d) Zygote Ans. c (5)
(a) Sporophyll (b) Frond (c) Leaf petiole (d) Leaf node Ans. b (6)
(a) Operculum (b) Annulus (c) Stomium (d) Ostiole Ans. c (9)
(a) Biconvex (b) Circular (c) Biconcave (d) Plano-convex Ans. a (7)
(a) Spherical (b) Coiled (c) Multiflagellate (d) All of the above Ans. c (4)
(a) Heart-shaped (b) Dorsiventral (c) Green (d) All of the above Ans. d (9)
(a) Margin of leaf (b) Abaxial side of leaf (c) Adaxial side of leaf (d) Only on the tip of leaf Ans. a (7)
(a) Sporangiophore (b) Annulus (c) Stomium (d) Indusium Ans. b (8)
(a) Hadrocentric (b) Leptocentric (c) Radial (d) Conjoint collateral Ans. a (10)
(a) Sporangium (b) Oogonium (c) Archegonium (d) Stomium Ans. a (24)
(a) Sporophyll (b) Sorus (c) Cone (d) Ramenta Ans. b (14)
(a) Parallel (b) Reticulate (c) Dichotomous (d) Open furcate Ans. d (18)
(a) Apospory (b) Parthenogenesis (c) Parthenocarpy (d) Apogamy Ans. d (5)
(a) Cycas stem (b) Pinus needle (c) Fern leaf (d) Fern rhizome Ans. d (15)
(a) Possess a single layer of wall cells (b) Produce very few spores (c) Originate from a group of initial cells (d) Dehiscence at the region of a well defined stomium Ans. c (11)
(a) Sporophytic stage (b) Gametophytic stage (c) Sporophytic and gametophytic stage (d) Apomictic stage Ans. b (18)
(a) Dictyostele (b) Siphonostele (c) Protostele (d) None of these Ans. a (5)
(a) Pollen tube (b) Water (c) Archegonia (d) Flagellated sperms Ans. a (11)
(a) Rhizome (b) Indusium (c) Sori (d) Ramenta Ans. d (9)
(a) Ramentum (b) Sorus (c) Indusium (d) Sporophyll/Frond Ans. d (12)
(a) Homothallic (b) Heterothallic (c) Heterotrophic (d) Heteromorphic Ans. a (11)
(a) Brown algae (b) Sphagnum (c) Ferns (d) Cycads Ans. c (11)
a. Ionic solids b. Molecular solids c. Amorphous solids d. Liquids Ans. a Explanation : Point defect arises because of movement/ deficiency/ excess of ions. (7)
a. AgBr b. AgCl c. KBr d. ZnS Ans. c Explanation : KBr exhibits Schottky defect and not Frenkl defect. (6)
a. Metal excess defect b. Metal deficiency defect c. Displacement defect d. Impurity defect Ans. b Explanation : Metal deficiency occurs when metals show variable valency (9)
a. 2 b. 1 c. 3 d. 5 Ans. d (4)
a. Disloction defect b. Schottky defect c. Frenkel defect d. Electronic defect Ans. d Explanation : When electron rich or electron deficient impurity is added to a perfect crystal it introduces electronic defect in them. (10)
a. p-type semiconductor b. n-type semiconductor c. Intrinsic semiconductor d. Insulator Ans. b (23)
a. Metallic conductor b. Insulator c. n- type semiconductor d. p-type semiconductor Ans. c Explanation : Excess of one valence electron in p atom over Si will form n-type semiconductor (7)
a. Frenkel defect b. Schottky defect c. Non-stoichiometric defect d. Simple intertitial defect Ans. a Explanation : Frankel defect is also known as dislocation defect because in Frankel defect atoms present in crystal lattice is dislocated to interstitial site. (6)
(a) Presence of vascular system (b) Absence of flowers (c) Absence of fruits (d) All the above Ans. d (11)
(a) Multiplies very fast to produce massive biomass (b) Has association of nitrogen-fixing Rhizobium (c) Has association of nitrogenfixing cyanobacteria (d) Has association of mycorrhiza Ans. c (6)
(a) Bacteria (b) Gymnosperm (c) Pteridophytes (d) Archaebacteria Ans. c (6)
(a) Ginkgo (b) Selaginella (c) Polypodium (d) Azolla Ans. a (9)
(a) Azolla (b) Salvinia (c) Marsilia (d) Pteridium Ans. a (11)
(a) Apospory (b) Apogamy (c) Apomictic (d) Apomixis Ans. a (9)
(a) Byophyte (b) Pteridophyte (c) Gymnosperm (d) Angiosperm Ans. b (5)
(a) Azolla (b) Salvinia (c) Pteris (d) Both (a) and (b) Ans. d (5)