jyoti

(a)  Fungi                                  (b)  Algae (c)   Pteridophytes                   (d)  Angiosperms Ans. b (38)

(a)  Chlorophyceae                  (b)  Rhodophyceae (c)   Myxophyceae                    (d)  Cyanophages Ans. b (5)

(a)  Cells are uninucleate in algae whereas they are multinucleate in fungi (b)  Chlorophyll present in algae and absent in fungi (c)   The presence of cellulose cell wall and chlorophyllous cells in algae while chitinous cell wall and non-chlorophyllous cells …

(a)  Enzymes                            (b)  Proteins (c)   Fats                                    (d)  Starch Ans. d (6)

(a)  Funaria                               (b)  Chlamydomonas (c)   Pinus                                  (d)  Selaginella Ans. b (8)

(a)  Xanthophyll (b)  Carotenoids (c)   g–phycoerythrin (d)  g–phycocyanin Ans.c (6)

(a)  Mosses                               (b)  Liverworts (c)   Fungi                                  (d)  Ferns Ans. c (9)

(a)  Chlorella                            (b)  Spirogyra (c)   Oscillatoria                         (d)  Ulothrix Ans. a (19)

(a)  Photosynthesis                 (b)  Respiration (c)   Photoreception                 (d)  Movements Ans. c (6)

(a)  Core of starch surrounded by sheath of protein (b)  Core of protein surrounded by fatty sheath (c)   Proteinaceous centre and starchy sheath (d)  Core of nucleic acid surrounded by protein sheath Ans. c (10)

(a)  They are good organisms to experiment with (b)  They can be grown in large tank cultures (c)   They may form important constituent of human food (diet) in future (d)  They produce oxygen and organic acids Ans. c (7)

(a)  Algae                                  (b)  Bryophyta (c)   Pteridophyta                     (d)  Gymnosperm Ans.a (7)

(a)  In rainy season (b)  During unfavourable conditions (c)   During favourable conditions (d)  None of the above Ans. b (6)

(a)  Haploid                              (b)  Polyploid (c)   Diploid                               (d)  None of the above Ans. c (39)

(a)  In tropical regions where the temperature range is high (b)  In hot water springs where the temperature remains around 70oC (c)   On the huge rocks exposed to bright sunlight (d)  In deserts where the temperature in summer remains around …

(a)  Yeast                                  (b)  Bacteria (c)   Algae                                  (d)  Lactobacillus Ans.c (6)

(a)  Most algae are photosynthetic (b)  Algae can be classified according to their pigments (c)   All algae are filamentous (d)  Spirogyra does not produce zoospores Ans. c (8)

(a)  Ulothrix                              (b)  Spirogyra (c)   Oedogonium                       (d)  All the above Ans. d (12)

(a)  Volvax                                (b)  Nostoc (c)   Spirogyra                           (d)  Chlamydomonas Ans. b (9)

(a)  They both respire and release CO2 (b)  They both are found in the same habitat (c)   They both reproduce asexually (d)  They both have same type of pigments Ans.d (7)

(a)  Hypnospores                     (b)  Aplanospores (c)   Macrozoospores                (d)  Microzoospores Ans. a (7)

(a)  Spirogyra                           (b)  Spirulina (c)   Chlamydomonas                (d)  Scytonema Ans. b (9)

(a)  Dictyota                             (b)  Fucus (c)   Nostoc                                (d)  Gelidium Ans. d (10)

(a)  Chitin                                 (b)  Cutin (c)   Cellulose                            (d)  Suberin Ans. c (9)

(a)  Vaucheria (b)  Polysiphonia (c)   Cephaleuros (d)  Batrachospermum Ans. c (37)

(a)  Coenogametes                  (b)  Meiogametes (c)   Mitogametes                     (d)  None of these Ans. b (27)

(a)  Sperm                                (b)  Zoospore (c)   Oospore                             (d)  Androspore Ans. b (20)

(a)  Isogamy                             (b)  Anisogamy (c)   Hologamy                          (d)  Autogamy Ans. c (9)

(a)  Gametes are morphologically similar but physiologically dissimilar (b)  Gametes are morphologically dissimilar but physiologicaly similar (c)   Gametes are morphologically and physiologically similar (d)  None of the above Ans. a (9)

(a)  Chlorophyll ‘a‘                  (b)  Chlorophyll ‘e‘ (c)   Phycocyanin                      (d)  Xanthophyll Ans. a (6)

(a)  A hollow spherical colony (b)  A group of filaments (c)   Palmelloid form (d)  None of the above Ans. a (7)

(a)  Green algae                       (b)  Brown algae (c)   Red algae                           (d)  Blue–green algae Ans. b (7)

(a)  Chlorophyceae                  (b)  Phaeophyceae (c)   Rhodophyceae                  (d)  Both (b) and (c) Ans. c (10)

(a)  Vaucheria                           (b)  Chara (c)   Nostoc                                (d)  Polysiphonia Ans. a (34)