(a) Degeneration of lateral walls (b) Formation of a pore in lateral wall (c) Gelatinization of lateral wall (d) Gelatinization of all the cell walls Ans. b (12)
(a) Chl. a, Chl b and phycocyanin (b) Chl a, Chl c, phycocyanin and fucoxanthin (c) Chl. a, Chl b, carotenes and xanthophylls (d) Chl a and fucoxanthin Ans. c (11)
(a) Antheridium (b) Meristematic (c) Holdfast (d) Zoogonidium Ans. c (7)
(a) Just before formation of zoospores (b) Before the formation of gametes (c) Before the fusion of gametes (d) During germination of zygospores Ans. b (7)
(a) Only one filament (b) Two filaments (c) Many filaments (d) None of the above Ans. a (8)
(a) The filaments showing scalariform conjugation are homothallic (b) The filaments showing lateral conjugation are homothallic (c) The filaments showing lateral conjugation are heterothallic (d) Asexual reproduction occurs by zoospores Ans. b (8)
(a) Zoospore (b) Akinete (c) Chlamydospore (d) Zygospore Ans. d (6)
(a) One (b) Two (c) Three (d) All four Ans. a (7)
(a) Polycentric chromosomes (b) Complex nucleolus (c) Heterothallism (d) A single pyrenoid in each chloroplast Ans. d (5)
(a) Spirogyra sahnii (b) Spirogyra indica (c) Spirogyra jogensis (d) Spirogyra karnalae Ans. c (8)
(a) Conjugation (b) Binary fission (c) Fragmentation (d) Spores formation Ans. a (6)
(a) Ulothrix (b) Cladophora (c) Spirogyra (d) Anabaena Ans. c (10)
(a) Has not been recorded (b) Takes place by formation of zoospores (c) Takes place by formation of aplanospores (d) Takes place by formation of hypnospores Ans. c (9)
(a) Ring like growth (b) A peg like protuberance (c) A spiral outgrowth (d) A perforation in the plate Ans. b (27)
(a) Selaginella (b) Spirogyra (c) Pinus (d) Brassica Ans. b (9)
(a) Haploid (b) Diploid (c) Aplanospore (d) Zygospore Ans. a (13)
(a) Asexual (b) Conjugation (c) (a) and (b) both (d) None of these Ans. c (5)
(a) Uninucleate gametangia (b) Multicellular gametes (c) Anisogamete (d) Sexual reproduction Ans. a (14)
(a) Akinete (b) Parthenospore (c) Incipient sporophyte (d) Chlamydospore Ans. c (6)
(a) Cell wall is definite and thick (b) Cell wall is hygroscopic (c) Pyrenoid bodies are present (d) Nucleus is having cytoplasmic strands Ans. d (6)
(a) Cellulose (b) Pectin (c) Lignin (d) Chitin Ans. a (7)
(a) Azygospores (b) Hypnospores (c) Zygospores (d) Aplanospores Ans. a (8)
(a) Lateral conjugation (b) Fragmentation (c) Palmella stage (d) Scalariform conjugation Ans. d (7)
(a) The middle one may be female and outer ones are male (b) The middle one may be male and outer ones are female (c) Both (a) and (b) (d) None of the above Ans. c (5)
(a) Cytoplasm (b) Cell wall (c) Chloroplast (d) Nucleus Ans. c (6)
(a) Oogamous (b) Anisogamous (c) Cleistogamous (d) None of the above Ans. d (5)
(a) Pyrenoid (b) Branched filament (c) Discoid chloroplast (d) Rhizoidal branches Ans. a (5)
(a) Lateral conjugation (b) Scalariform conjugation (c) Parthenocarpy (d) Azygospory Ans. b (8)
(a) The developing zygospore (b) During conjugation process (c) During vegetative reproduction (d) During gamete formation Ans. a (22)
(a) Smooth margin (b) Wavy margin (c) Smooth or wavy margin (d) None of the above Ans. b (6)
(a) Ulothrix (b) Spirogyra (c) Vaucheria (d) Oedogonium Ans. b (10)
(a) Physiologically different male gametes (b) Physiologically different female gametes (c) Zygospore (d) None of the above Ans. d (9)
(a) 6 (b) 12 (c) 20 (d) 16 Ans. d (12)
(a) Uniseriate and unbranched (b) Uniseriate and branched (c) Multiseriate and unbranched (d) Multiseriate and branched Ans. a (27)
(a) Uninucleate (b) Binucleate (c) Multinucleate (d) None of the above Ans. a (6)
(a) Thallophytes (b) Bryophytes (c) Pteridophytes (d) Gymnosperms Ans. a (50)
(a) Fresh water and free floating alga (b) Marine and free floating alga (c) Fresh water and locomotory alga (d) None of the above Ans. a (6)
(a) Thallophyta (b) Angiosperms (c) Gymnosperms (d) Pteridophyta Ans. a (6)
(a) Phaeophyceae (b) Rhodophyceae (c) Chlorophyceae (d) Xanthophyceae Ans. a (9)