BIOLOGY
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May 21, 2022
(a) 2 zoospores                      (b) 4 zoospores (c)  2– 4 zoospores                 (d) None of the above Ans. d
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May 21, 2022
(a) Four plants                       (b) Three plants (c)  Two plants                       (d) One plant Ans. d
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May 21, 2022
(a)Â Filamentous alga with flagellated reproductive stages (b)Â Filamentous alga with nonflagellated reproductive stages (c)Â Â Membranous alga producing zoospores (d)Â ...
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May 21, 2022
(a)Â Degeneration of lateral walls (b)Â Formation of a pore in lateral wall (c)Â Â Gelatinization of lateral wall (d)Â Gelatinization...
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May 21, 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. a
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May 21, 2022
(a)Â Chl. a, Chl b and phycocyanin (b)Â Chl a, Chl c, phycocyanin and fucoxanthin (c)Â Â Chl. a, Chl b,...
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May 21, 2022
(a) Antheridium                    (b) Meristematic (c)  Holdfast                            (d) Zoogonidium Ans. c
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May 21, 2022
(a)Â Just before formation of zoospores (b)Â Before the formation of gametes (c)Â Â Before the fusion of gametes (d)Â During...
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May 21, 2022
(a) Only one filament            (b) Two filaments (c)  Many filaments                (d) None of the above Ans. a
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May 21, 2022
(a)Â The filaments showing scalariform conjugation are homothallic (b)Â The filaments showing lateral conjugation are homothallic (c)Â Â The filaments showing...
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May 21, 2022
(a) Zoospore                           (b) Akinete (c)  Chlamydospore               (d) Zygospore Ans. d
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May 21, 2022
(a) One                                   (b) Two (c)  Three                                (d) All four Ans. a
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May 21, 2022
(a)Â Polycentric chromosomes (b)Â Complex nucleolus (c)Â Â Heterothallism (d)Â A single pyrenoid in each chloroplast Ans. d
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May 21, 2022
(a) Spirogyra sahnii               (b) Spirogyra indica (c)  Spirogyra jogensis            (d) Spirogyra karnalae Ans. c
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May 21, 2022
(a) Conjugation                      (b) Binary fission (c)  Fragmentation                 (d) Spores formation Ans. a
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May 21, 2022
(a) Ulothrix                             (b) Cladophora (c)  Spirogyra                          (d) Anabaena Ans. c
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May 21, 2022
(a)Â Has not been recorded (b)Â Takes place by formation of zoospores (c)Â Â Takes place by formation of aplanospores (d)Â ...
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May 21, 2022
(a)Â Ring like growth (b)Â A peg like protuberance (c)Â Â A spiral outgrowth (d)Â A perforation in the plate Ans....
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May 21, 2022
(a) Selaginella                        (b) Spirogyra (c)  Pinus                                 (d) Brassica Ans. b
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May 21, 2022
(a) Haploid                             (b) Diploid (c)  Aplanospore                    (d) Zygospore Ans. a
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May 21, 2022
(a) Asexual                             (b) Conjugation (c)  (a) and (b) both               (d) None of these Ans. c
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May 21, 2022
(a) Uninucleate gametangia       (b) Multicellular gametes (c)  Anisogamete        ...
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May 21, 2022
(a) Akinete                             (b) Parthenospore (c)  Incipient sporophyte       (d) Chlamydospore Ans. c
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May 21, 2022
(a)Â Cell wall is definite and thick (b)Â Cell wall is hygroscopic (c)Â Â Pyrenoid bodies are present (d)Â Nucleus is...
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May 21, 2022
(a) Cellulose                           (b) Pectin (c)  Lignin                                (d) Chitin Ans. a
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May 21, 2022
(a) Azygospores                     (b) Hypnospores (c)  Zygospores                       (d) Aplanospores Ans. a
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May 21, 2022
(a)Â Lateral conjugation (b)Â Fragmentation (c)Â Â Palmella stage (d)Â Scalariform conjugation Ans. d
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May 21, 2022
(a)Â The middle one may be female and outer ones are male (b)Â The middle one may be male and...
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May 21, 2022
(a) Cytoplasm                        (b) Cell wall (c)  Chloroplast                       (d) Nucleus Ans. c
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May 21, 2022
(a) Oogamous                        (b) Anisogamous (c)  Cleistogamous                  (d) None of the above Ans. d
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May 21, 2022
(a) Pyrenoid                           (b) Branched filament (c)  Discoid chloroplast          (d) Rhizoidal branches Ans. a
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May 21, 2022
(a) Lateral conjugation         (b) Scalariform conjugation (c)  Parthenocarpy                 (d) Azygospory Ans. b
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May 21, 2022
(a)Â The developing zygospore (b)Â During conjugation process (c)Â Â During vegetative reproduction (d)Â During gamete formation Ans. a
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May 21, 2022
(a)Â Smooth margin (b)Â Wavy margin (c)Â Â Smooth or wavy margin (d)Â None of the above Ans. b
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May 21, 2022
(a) Ulothrix                             (b) Spirogyra (c)  Vaucheria                          (d) Oedogonium Ans. b
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May 21, 2022
(a)Â Physiologically different male gametes (b)Â Physiologically different female gametes (c)Â Â Zygospore (d)Â None of the above Ans. d
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May 21, 2022
(a)Â 6Â 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 12 (c)Â Â 20Â 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 16 Ans. d
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May 21, 2022
(a)Â Uniseriate and unbranched (b)Â Uniseriate and branched (c)Â Â Multiseriate and unbranched (d)Â Multiseriate and branched Ans. a
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May 21, 2022
(a) Uninucleate                      (b) Binucleate (c)  Multinucleate                   (d) None of the above Ans. a
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May 21, 2022
(a) Thallophytes                    (b) Bryophytes (c)  Pteridophytes                  (d) Gymnosperms Ans. a