THE LIVING WORLD

1. Which one is the most abundant microorganism? (a) Bacteria (b) Protozoan (c) Viruses (d) Protists 2. Bacteria occur - (a) In water only (b) In soil only (c) As parasite (d) Everywhere 3. Based upon the shape bacteria are grouped under how many categories? (a) 2 (b)3 (c)4 (d)5 4. Which of the following bacteria are comma-shaped - (a) Coccus (b) Vibrio (c) Bacillus (d) Clostridium 5. Identify the names of the different bacteria according to the shapes – (a) _A - Cocci, B - Bacilli, C - Spirilla, D – Vibrio (b) A- Bacilli, B - Cocci, C - Spirilla, D - Vibrio (c) A- Spirilla, B - Bacilli, C - Cocci, D – Vibrio (d) A- Spirilla, B - Vibrio, C - Cocci, D – Bacilli 6. Which of the following statement is correct about bacteria? (a) Bacteria are simple in both structure and behaviour (b) Bacteria are complex in structure as well as behaviour (c) Bacteria are complex in structure but simple in behaviour (d) Bacteria are simple in structure but complex in behaviour 7. Which of the following organisms show the most extensive metabolic diversity? (a) Algae (b) Fungi (c) Bacteria (d) Bryophytes 8. Most of the bacteria are - (a)Autotrophs (b) Chemoautotrophs (c) Heterotroph (d) Parasites 9. Which of the following are autotrophs? (a) Photosynthetic bacteria (b) Chemosynthetic bacteria (c) Archaebacteria (d) Both a and b 10. Which of the following statements is wrong about Archaebacteria? (a) They live in some of the harshest habitats (b) They are recently evolved group (c) Cell wall is peptidoglycan less (d) They are unlike most other bacteria 11. Which of the following areas or conditions would be favoured by Thermoacidophiles? (a) The stomach of many herbivores (b) Hot, alkaline (c) Hot, sulphurs rings (d) Deep sea valconic. 12. Which is not correct about methanogens? (a) They are Archaebacteria (b) They live in marshy areas (c) Methane is their preferred carbon source (d) They are present in guts of several ruminant animals (cow, buffaloes) and they produce biogas (CH 4) from the dung of these animals 13. An Archean that lives in extremely salty condition is referred to as a - (a) Thermophile (b) Halophile (c) Thermoacidophiles (d) Methanogen 14. Eubacteria includes - . (a) Bacteria and Archaebacteria (b) Cyanobacteria + Archaebacteria (c) Bacteria and Blue green algae (d) Bacteria+ Eukaryote 15. All Eubacteria have - (a) Cell wall (b) Flagella (c) Heterocyst (d) All the above 16. Cyanobacteria I Blue green algae are (a) Unicellular only (b) Colonial only (c) Filamentous only (d) Unicellular, Colonial or filamentous 17. Cyanobacteria are - (a) Only fresh water (b) Only marine (c) Only terrestrial (d) Aquatic and terrestrial 18. Which ones forms bloom in polluted water mostly - (a) Cyanobacteria (b) Green algae (c) Red algae (d) Brown algae 19. Some of the Cyanobacteria can fix atmospheric nitrogen in specialised cells called - (a)Akinetes (b) Heterocyst (c) Homocyst (d) Nodule 20. Some of the Cyanobacteria can fix atmospheric nitrogen in specialised cells called - (a)Akinetes (b) Heterocyst (c) Homocyst (d) Nodule 21. The group of organisms oxidising various inorganic substances such as nitrate s, nitrites and ammonia using the released energy for their ATP production are- (a) Chemoheterotrophic bacteria (b) Chemosynthetic autotroph ic bacteria (c) Photoautotrophic bacteria (d) Saprophytic bacteria 22. Which of the following play a great role in recycling nutrients like N, P, and S? (a) Chemosynthetic autotrophic bacteria (b) Parasitic bacteria (c) Photoautotrophic bacteria (d) Cyanobacteria 23. Cyanobacteria have (a) Chl- a similar to plant including green algae (b) Distinct from chlorophyll of plants (c) Bacteriochlorophyll (d) Bacteriorhodopsin 24. The majority of bacteria are - (a) Photoautotrophs (b) Chemoautotrophs (c) Chemo heterotrophs I decomposers (d) Disease causing 25. Bacteria participate in - (a) Many industrial and commercial processes (b) N -fixation in legume roots (c) Disease producing in plants, animals and human beings (d)All 26. All of the following diseases cause by bacteria except - (a)Flu (b)Cholera (c)Tetanus (d) Typhoid 27. Citrus canker is a …………..disease (a) Bacterial (b) Viral (c) Fungal (d) Mycoplasmal 28. Bacteria reproduce mainly by - (a) Endospores formation (b) Zoospores formation (c) Fission (d) Sexual method 29. Identify the blanks in the following figures –Nostoc (a) A- Cell wall, B - Cell membrane, C - Heterocyst, D - DNA, E - Mucilagenous sheath (b) A- Cell wall, B - Cell membrane, C - DNA, D - Heterocyst, E - Mucilagenous sheath (c) A- Mucilagenous sheath, B - Cell membrane, C - DNA, D - Heterocyst, E - Cell wall (d) A- Cell membrane, B - Cell wall, C - DNA, D - Heterocyst, E - Mucilagenous sheath 30. Which of the following statements is correct - I. Mycoplasma has no cell wall II. Mycoplasma is the smallest living organism Ill. Mycoplasma cannot survive without 02 IV. Mycoplasma are pathogenic in animals and plants V. True sexuality is not found in bacteria VI. A sort of sexual reproduction by adopting a primitive DNA transfer from one bacterium to the other occurs (a)All (b) Only Ill (c) I, II, IV, V, VI (d) I, Ill, VI 31. Protista includes - (a) Unicellular prokaryotes (b) Unicellular eukaryotes (c) Bacteriophages (d) B.G.A 32. Which of the following kingdoms has no well-defined boundaries? (a) Monera (b) Protista (c) Fungi (d) Metaphyta and Metazoa 33. Members of Protista are primarily - (a) Parasites (b) Terrestrial (c) Aquatic (d) Photosynthetic 34. Nearly all protists are - (a) Aerobic (b)Anaerobic (c)Aerobic or anaerobic (d) Photosynthetic 35. Nutritionally, protists are - (a) Photoautotrophs (b) Heterotrophs (c) Mixotrophs (d)photoautotrophs, heterotrophs or autotrophs 36. Based upon the modes of nutrition, protists are grouped into - (a) Plant-like protists (algae) and ingestive, animal-like protists (protozoa); and absorptive, fungus like protists (b) Chrysophytes, Dinoflagellates and Euglenoids only (c) Slime moulds and fungi only (d) Flagellated protozoans and sporozoans only 37. Which of the following are placed under Protista-? (a) Chryosophytes and Dinoflagellates (b) Euglenoids (c) Slime moulds and protozoans (d)All 38. Locomotory structures in protists are (a) Flagella (b) Cilia (c) Pseudopodia (d)All 39. Protista form a link with - (a) Plants only (b) Animals only (c) Fungi only (d) Plants, animals and fungi 40. Chrysophytes include - (a) Diatoms and desmids (golden algae) (b) Dinoflagellates (c) Euglenoids (d) Slime moulds 41. Which of the following modes of reproduction can be found in at least some protists? (a) Binary fission (b) Sexual reproduction (c) Spore formation (d) All 42. Which of the following modes of reproduction can be found in at least some protists? (a) Binary fission (b) Sexual reproduction (c) Spore formation (d) All 43. Silica gel (Keieselghur) I Diatomite I Diatomaceous earth is obtained by - (a) Diatoms (b) Dinoflagellates (c) Euglenoids (d) Brown algae 44. The diatoms do not easily decay like most of the other algae because - (a) They have highly siliceous wall (b) They have water proof cells (c) Their cell wall are mucilaginous (d) Cell wall is virus-resistant 45. Diatomaceous earth is used for all except - (a) Polishing (b) Filteration of oils and syrups (c) Sound and fire proof room (d) Biogas 46. Chrysophytes are - (a) Planktons (b) nektons (c) Benthonic (d)Active swimmers 47. Chief producers in ocean are - (a) Dinoflagellates (b) Diatoms (c) Euglenoids (d) Green algae 48. Photosynthetic protists are - (a) Euglenoids, Diatoms and Dinoflagellates (b) Euglenoids and slime moulds (c) Diatoms and Zoo flagellates (d) Desmide +Ciliates 49. Dinoflagellates are mostly- (a) Marine (b) Fresh water (c) terrestrial (d) Saprophytes 50. Red tides in warm coastal water develop due to super abundance of- (a) Dinoflagellates (b) Euglenoid forms (c)Diatoms and desmids (d) Chlamydomonas nivalis. 51. Red tide is caused by - (a) Ceretium (b) Noctiluca (c) Gonyaulax (d)All of these 52. Dinoflagellates have - (a) A single flagellum in the transverse groove between the cell plates (b) A single flagellum in the longitudinal groove between the cell plates (c) Two flagella one lies longitudinally and the other transversely in a furrow between the wall plates (d) No flagella 53. In which of the following the cell wall has stiff cellulose plate on the outer surface - (a) Dinoflagellates (b) Desmids (c) Diatoms (d) Euglenoids 54. Which of the following releases toxins that may even kill other marine animals like fishes - (a) Gonyaulax (b) Paramecium (c) Euglenoids (d) Sporozoans 55. Euglenoids e.g. Euglena are found - (a) In fresh running water (b) In fresh stagnant water (c) In marine environment (d) In both fresh and marine water 56. Which of the following statements about Euglena is true? (a) Euglenoids are flagellates (b) Euglena placed in continuous darkness loses their photosynthetic activity and die (c) The pigments of Euglena are quite different from those of green plants (d) Euglena is a marine Protista 57. Which of the following statement is true about Euglena? (a) They show flagellar locomotion (b) They have a rigid cell wall (c) They have no chloroplast (d) They are obligate autotroph 58. I. Instead of a cell wall they have a protein rich pellicle making their body flexible. II. They have 2 flagella, a short and a long one. Ill. They have mixotrophic nutrition IV. In light they are photosynthetic, but act as heterotroph (predating other smaller organism) when they are in dark. V. They are connecting link between plants and animals. The above statements are assigned to - (a) Dinoflagellates (b) Slime mould (c) Desmids and Diatoms (d) Euglena 59. Slime moulds - (a) Are parasite (b) Do not produce spores (c) Do not produce fruiting bodies (d) Saprophytic protists 60. The slimy mass of protoplasm with nuclei forms the body of slime mould is called - (a) Plasmodium (b) Myxamoeba (c) Sporocytes (d) Periplasmodium 61. Which of the following is correct about the slime mould? I. Its thalloid body, plasmodium, has pseudopodia for locomotion and engulfing organic matter II. During unfavourable conditions plasmodium differentiates and produces fruiting bodies, sporangium III. Spores possess no true cell wall. IV. They are dispersed by air current. V. Being extremely resistant, spores survive for many years VI. Plasmodium can grow upto several feet. (a) I, 11, IV, V, VI (b) I, II , Ill (c) I, II , Ill , VI (d)ll , 111 , VI 62. Protozoans are not included in kingdom Animalia because - (a) Mostly asymmetrical (b)Unicellular eukaryotes (c)"Heterotrophic nature (d) Multicellular prokaryotes 63. All protozoans are - (a) Saprophytes only (b) Parasites only (c) Predators only (d) Heterotrophs (parasites or predator) only 64. Which of the following is considered to be primitive relatives of animals - (a) Dinoflagellates (b) Slime moulds (c) Protozoa (d) Protochordata 65. How many major groups protozoan have? (a)3 (b)4 (c) 2 (d) 8 66. Which of the following are protozoans? (a) Diatoms, flagellates, ciliates (b) Desmids, flagellates, ciliates (c)Amoeboid, flagellates, ciliates, sporozoans (d) Amoeba, Paramecium, dinoflagellates, Plasmodium 67. Which of the following statements is wrong about the amoeboid protozoans? (a) They live in freshwater, sea water or moist soil (b) Amoeba has pseudopodia for locomotion and capture prey (c) Entamoeba show holozoic nutrition (d) Marine forms are shelled with silica 68. Flagellated protozoans are - (a) Free living (b) Parasites (c) Either free living or parasites (d) Pseudopodia 69. Which one is correct about Trypanosoma? (a) They are flagellated protozoan (b) They are parasite (c) They cause sleeping sickness (d)All 70. Paramecium- (a) Is a ciliated protozoan (b) Shows water current maintained by cilia which helps the food to be steered into gullet (c) Has a cavity (gullet) that opens to the outside of the cell surface (d)All 71. Plasmodium (malarial parasite) is- (a) Sporozoans (b) Ciliated protozoan (c) Flagellated protozoan (d) Amoeboid protozoan 72. Which of the following always produce an infectious spore like stage in their life cycles? (a) Ciliated protozoans (b) Flagellated protozoans (c) Sporozoans (d) None 73. Mode of nutrition in fungi is - (a) Parasitic (b) Saprophytic (c) Autotrophic (d) Heterotrophic 74. All of the following are fungi except (a) Yeast (b) Penicillium (c) Plasmodium (d) Puccinia 75. Which of the following is odd? (a) Toad stool (b) Puccinia (c) Alternaria (d) Mushroom 76. Cell walls of all fungi consist of the polysaccharide - (a) Chitin (b) Cellulose (c) Silica (d) Pectin 77. The body of multicellular fungus is called a - (a) Monokaryon (b) Hyphae (c) Rhizoids (d) Dikaryon 78. The cells of the body of a multicellular fungus are organised into rapidly growing individual filaments called - (a) Mycelium (b) Rhizoids (c) Hyphae (d) Dikaryon 79. Which one is unicellular fungus? (a) Puccinia (b) Toad stool (c) Penicillium (d) Yeast 80. Coenocytic hypha is - (a) Uninucleate hypha (b) Multicellular hypha (c) Multinucleate hypha without septae (d) Hypha in coelom 81. Many fungi are _ _ _ _ associating with photosynthetic organisms to form mycorrhiza or lichens - (a) Parasitic (b) Symbiotic (c) Photosynthetic (d) Saprobic 82. Fungi can be parasites on - (a) Animals (b) Human being (c) Plants (d)All 83. Fungi prefer to grow in – (a) Cold and dry places (b) Hot and dry places (c) Sea water (d) Warm and humid places 84. Fungi occur- (a) In air and soil (b) In water (c) On plants and animals (d}All 85. Fungi show a great diversity in - (a) Morphology (b) Habitat (c) Both a and b (d) Nutrition 86. Reproduction in fungi can take place by all of the following vegetative methods except- (a) Gemmae (b) Fragmentation (c) Fission (d) Budding 87. Fungi show asexual reproduction by all of the following spores except - (a) Conidia • (b) Oospore (c) Sporangiospore (d) Zoospores 88. Sexual reproduction in fungi is by all of the following except - (a) Oospores (b) Ascospores (c) Zoospores (d) Basidiospores 89. Select the correct statements below that correctly apply to the Kingdom Fungi - (a) Some fungi form beneficial interrelationships with plants (b) Certain fungi are natural sources of antibiotics (c) The fungal life cycle typically includes a spore stage (d)All 90.
The above diagram shows a generalized life cycle of a fungus. The appropriate terms for A to E are –
91. When (a) Spores a moist are bread present is kept exposed in • air, it becomes mouldy and black because (a) Spores are present (b) Spores are present in the bread (c) Spores are in the air (d) The bread gets decomposed• 92. Which of the following is the correct sequence of 3 steps in the sexual cycle of fungi - (a) Mitosis ----. Meiosis ----. Fertilization (b) Plasmogamy----. Karyogamy----. Meiosis (c) Meiosis ----. Plasmogamy----. Karyogamy (d) Karyogamy----. Plasmogamy----. Meiosis 93. Fungi are classified on the basis of - (a) Morphology of mycelium (b) Mode of spore formation (c) Development of fruiting bodies (d)All 94. Dikaryophase I Dikaryon formation is a specific characteristic of- (a) All fungi (b) Phycomycetes and ascomycetes (c) Only basidiomycetes (d) Ascomycetes and basidiomycetes 95. Coenocytic, multinucleate and branched mycelial habit is found in - (a) Basidiomycetes (b) Phycomycetes (c) Ascomycetes (d) Deuteromycetes 96.
97. Members of phycomycetes are found I. In aquatic habitat II on decaying wood III. On moist and damp places IV. As obligate parasite on plants (a) None of the above (b) I and IV (c) II and Ill (d)All of the above 98. In phycomycetes asexual reproduction occurs by- (a) Zoospores (motile) (b)Aplanospores (non-motile) (c) Both (d)Aplanogamete 99. Which of the following spores are produced endogenously? (a) Zoospores and Conidia (b) Conidia and aplanospores (c) Aplanospores and zoospores (d)Aplanospores, zoospores andConidia 100. In Phycomycetes sexual reproduction occurs by- (a) Isogamy and Anisogamy (b) lsogamy, Oogamy (c) lsogamy, Anisogamy and oogamy (d) Oogamy and Anisogamy 101.All the following belong to phycomycetes except - (a) Penicillium (b) Rhizopus (bread mould) (c) Mucor (d) Albugo 102. Which of the following is parasite on mustard? (a) Albugo (b) Puccinia (c) Yeast (d) Ustilago 103. Which of the following is false about ascomycetes? (a) Mode of nutrition saprophytic, decomposer, coprophilous (growing on dung) and parasitic (b) Includes unicellular (e.g. yeast) and multicellular forms (c) Mycelium is coenocytic (d) Aspergillus, Claviceps, Neurospora are important members of Ascomycetes 104. I. It includes unicellular as well as multicellular fungi II. In multicellular forms hyphae are branched and septate Ill. Conidiophore produces conidia (spores) exogenously in chain IV. Sexual spores are ascospores produced endogenously in Ascus V. Fruiting body is called ascocarps Which of the above characters are shown by - (a) Phycomycetes (b) Sac fungi (c) Club fungi (d) Fungi imperfecti 105. Which of the following are edible ascomycetes delicacies? (a) Morels+ Mushroom (b) Truffles+ Toadstool (c) Morels+ Trufles (d) Puffball+ Mushroom 106. Which of the following is used extensively in biochemical and genetical work? (a) Agaricus (b) Alternaria (c) Neurospora (d) Mucor 107. Which of the following ascomycetes is the source of antibiotic? (a) Neurospora (b) Penicillium (c) Claviceps (d) None 108. Basidiomycetes include - (a) Mushroom, Toadstool, Puffball and bracket fungi (b) Smut fungi and rust fungi (c) Both a and b (d) Bread mould, sac fungi and algal fungi 109. Which of the following are common parasite basidiomycetes? (a) Puccinia (rust) and Usti/ago (smut) (b) Bracket fungi (c) Puffballs (d) Agaricus (mushroom) 110. Where does meiosis occur in mushroom? (a) Basidiospores (b) Basidium (c) Basidiocarps (d) Ascus mother cell 111. I. Mycelium is branched and septate II. No asexual spores are generally formed Ill. Vegetative reproduction by fragmentation is common IV: Sex organs are absent but sexual reproduction takes place by somatogamy V. Karyogamy and meiosis occur in basidium to form haploid exogenous 4 basidiospores VI. Basidia are arranged in basidiocarps. The above characters are assigned to - (a) Sac fungi (b) Club fungi (c)Algal fungi (d) Fungi imperfecti 112. Plasmogamy is the fusion of- (a) 2 haploid cells including their nuclei (b) 2 haploid cells without nuclear fission (c) Sperm and egg (d) Sperm with 2 polar nuclei 113. Somatogamy is the fusion of - (a) Two vegetative I somatic cell, of different strain I genotypes to form dikaryotic cell (b) Sperm with egg (c) 2 somatic cell having identical strain (d) Egg with egg 114. Which of the following is false about deuteromycetes? (a) They reproduce only by asexual spores (conidia) (b) Mycelium is branched and septate (c) They have only parasitic forms (d) They have no sexual stage (perfect stage) 115. Which of the following is correct about class Deuteromycetes? (a) Some members are saprophytes or parasites (b) A large number of members are decomposers of litter and help in mineral cycling (c) Alternaria, Colletotrichum and Trichoderma are deuteromycetes (d)All 116. Sexual reproduction is found in all except - (a) Deuteromycetes (b) Ascomycetes (c) Phycomycetes (d) Basidiomycetes 117. If sexual stage is discovered in a member of deuteromycetes, it is moved to- (a) Phycomycetes (b) Basidiomycetes (c) Ascomycetes (d) Both band c 118. Select the false statement(s) - (a) Kingdom Plantae includes multicellular chlorophyll containing organisms (b) Plantae includes Bryophytes to Angiosperms; but not algae (c) Plantae shows alternation of generation (between gametophytic [NJ phase and sporophytic phase [2N]) (d)All 119. Which of the following pair(s) is false? (a) Bladderwort- insectivorous (b) Venus fly trap - insectivorous (c) Cuscuta - Saprophytic (d) Cell wall of plant cell - mainly cellulosic 120. Kingdom Animalia is characterised by - (a)Heterotrophic eukaryotic multicellular organisms having no cell wall in their cells (b) Reserve food - glycogen or fat (c) Holozoic nutrition (d)All 121. In the five kingdom classification of Whittaker there is - (a) No mention of viruses (b) Mention of lichens (c) No mention of. Viroids (d) No mention of viruses, viroids and lichens 122. Viruses did not find a place in classification since – (a) They are not truly living (b) They are obligate parasite (c) They are cellular (d) They are hyper parasite 123. Common cold I flu is - (a) A viral disease (b) A bacterial disease (c) A mycoplasmal disease (d) A fungal disease 124. Which is absent in viruses? (a) Nucleic acid (b) Protoplasm (c) Protein (d) a and c 125. The viruses are non-cellular organisms that are characterised by- (a) Having no nucleic acid (b) Having an active structure outside the living cell (c) Having an inert crystalline structure outside the cell (d) Their hyperactivity outside the cell 126. Term virus means - (a) Non-cellular (b) A parasite (c) A killer (d) Venom or poison 127. Term virus was given by - (a) D. J. Ivanowsky (b) Pasteur (c) Beijerinek (d) Stanley 128. The scientist who first crystallized TMV was - (a) Ivanowsky (b) Pasteur (c) Robertson (d) Stanley 129. Chemically viruses are - (a) Glycoproteins (b) Glycolipid (c) Nucleoproteins (d) Lipopolysaccharides 130. TMV by- (a) Mayer (b) Ivanowsky (c) Towrt (d) Pasteur 131. The concept of Contagium vivum fluidum (infectious living fluid) for virus was given - (a) Mayer (b) Beijerinck (c) Pasteur (d) lvanowsky 132. Which of the following statements is false about viruses - (a) Viruses are obligate parasites (b) Viruses can multiply only when they are inside the living cells (c) Viruses cannot pass bacterial proof filters (d) Viruses are made up of protein+ DNA or RNA (nerver both DNA and RNA) 133. Which is the infectious component of the virus? (a) Lipid (b) Protein (c) Nucleic acid (d) b and c 134. Viruses have proteins and (a) ds DNA or ssRNA (b) ssRNA or ds RNA (c) DNA and RNA (d) ds or ss RNA I DNA 135. In general plant viruses’ have- (a) Single strand RNA (b) dsRNA (c) ssDNA (d) dsRNS 136. Animal viruses have - (a) ssRNA (b) dsRNA (c) dsDNA or ssDNA (d)a or b or c 137. The genetic material for most of the bacteriophages is - (a) ssR.NA (b) dsRNA (c) dsDNA (d) ssDNA 138. The protein of viruses is called - (a) Capsid (b) Capsomere (c) Core (d) Envelope 139. The subunit of capsid is called - (a) Core (b) Nucleotide (c) Amino acid (d) Capsomere 140. All are the viral diseases except - (a) AIDS and mumps (b) Small pox and herpes (c) Influenza (d) Cholera 141. In plants mosaic formation, leaf rolling and curling, yellowing and vein clearing dwarfing and stunted growth are symptoms of – (a) Bacterial diseases (b) Mycoplasmal diseases (c) Viral diseases (d) Fungal diseases 142. In1971 T. 0. Diener discovered a new infectious agent that was smaller than viruses - I. It causes potato spindle tuber disease II. It is free RNA Ill. Molecular wt. of RNA is low The above statements are assigned to - (a) Viruses (b) Viroids (c) Virulent (d) Mycoplasma 143. Lichens are composite organism made up of a fungus and a photosynthetic alga. Which of the following statements is wrong about Lichen? (a) Lichens are sensitive toair pollution because they have no way to excrete toxic substances (b) Algal partner (phycobiont) and fungal partner (mycobiont) live mutually (c) Algae pre pare food for fungi and fungi provide shelter and absorb water+ minerals for algal partner- (d) None 144. Given below is the diagram of a bacteriophage. In which one of the options all the four parts A, B, C and D are correct?
145. Given below is the diagram of a virus. In which one of the options A, Band Care correct?
146. Observe the following figures and identify them. (a) A - Euglena, B - Paramecium, C - Agaricus (b) A- Euglena, B - Planaria, C - Agaricus (c) A- Planaria, B - Paramecium, C - Agaricus (d) A- Euglena, B - Paramecium, C - Aspergillus 147. Organisms called Methanogens are most abundant in a (a) Hot spring (b) Sulphur rock (c) Cattle yard (d) Polluted stream 148. Which one among the following statements is NOT correct? (a) Contractile vacuoles regulate osmoregulation in marine protozoans (b) Euglena is a halophytic protozoan (c) Trypanosoma belongs to the class Mastigophora (d) Class Sporozoa includes plasmodium. 149. How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Sacharomyces, Trypanosoma, Porphyra, Wolfia (a) Four (b) Five (c) Six (d) Three 150. In the five-kingdom classification, Chlamydomonas and Chlorella have been included in: (a) Protista (b)Algae (c) Plantae (d) Monera 151. Cuscuta is an example of: (a) Ectoparasitism (b) Brood parasitism (c) Predation (d) Endoparasitism 152. Which of the following option is correct:- (A) In basidiomycetes class asexual spores are generally not found. (B) Yeast is a unicellular fungus. (C) Fungi are divided into different classes on the basis of morphology of mycelium and sexual reproduction.(0) Branched , aseptate and multinucleate mycelium are found in club fungi. (a) B, C and Dare correct (b) A, C and Dare incorrect 153. Consider the following statements. A. Viruses are excluded from five kingdom classification of Whittaker. B. Kingdom Protista of Whittaker’s classification seems to be unnatural. C. Maximum nutritional diversity is found in Monera. D. In five kingdom classification, Euglena is included under Protista. E. Algae are distributed in five kingdom classification amongst Monera, Plantae and Protista. Of the above statements (a) A and Bare correct (b) C and Dare correct (c) Band E are correct (d) All are correct 154. The beautiful diatoms and desmids are placed under (a) Chrysophytes (b) Dinoflagellates (c) Euglenoids (d) Slime moulds. 155. The cyanobacteria are also referred to as (a) Protists (b) Golden algae (c) Slime moulds (d) Blue green algae 156. Which statement is wrong for viruses? (a) All are parasites (b) All of them have helical symmetry (c) They have ability to synthesize nucleic acids and proteins (d) Antibiotics have no effect on them 157. Which of the following are likely to be present in deep sea water? (a) Eubacteria (b) Blue-green algae (c) Saprophytic fungi (d) Archaebacteria 158. Select the wrong statement: (a) lsogametes are similar in structure, function and behaviour (b) Anisogametes differ either in structure, function or behaviour (c) In Oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile. (d) Chlamydomonas exhibits both isogamy and Anisogamy and Fucus shows oogamy 159. Pigment-containing membranous extensions in some cyanobacteria are: (a) Heterocysts (b) Basal bodies (c) Pneumatophores (d) Chromatophores 160. Whittaker proposed - (a) Two kingdom classification (b) Five kingdom classification (c) Four kingdom classification (d) Three kingdom classification. 161. In Whittaker’s classification, non-nucleated unicellular organisms/prokaryotes are included under- (a) Plantae (b) Monera (c) Protista (d) Animalia. 162. In Whittaker’s. Five kingdom classification, eukaryotes are assigned to (a) All the five kingdoms (b) Only four kingdoms (c) Only three kingdoms (d) Only two kingdoms 163.
164. Five kingdom system of classification suggested by R.H. Whittaker is not based on: (a) Presence or absence of a well-defined nucleus. (b) Mode of reproduction. (c) Mode of nutrition. (d) Complexity of body organisation. 165. Agrobacteria differ from eubacteria in (a) Cell membrane (b) Mode of nutrition (c) Cell shape (d) Mode of reproduction 166. Which of the following shows coiled RNA strand and capsomeres? (a) Polio virus (b) Tobacco mosaic virus (c) Measles virus (d) Retrovirus 167. Viruses have :- (a) DNA enclosed in a protein coat (b) Prokaryotic nucleus (c) Single chromosome (d) Both DNA and RNA 168. The motile bacteria are able to move by:- (a) Fimbriae (b) Flagella (c) Cilia(d) pili 169. Which one of the following is true for fungi? (a) They are halotrophs (b) They lack a rigid cell wall (c) They are heterotrophs (d) They lack nuclear membrane 170. Specialized cells for fixing atmospheric nitrogen in Nostoc are (a)Akinetes (b) Heterocysts (c) Hormogonia (d) Nodules 171. Phototrophs and chemotrophs are defined on the basis of their• (a) Energy source (b) Requirement of organic and inorganic substaflces (c) Metabolism (d) Structure 172. Multicellular organism with halophytic nutrition belongs to how many kingdoms in Whittaker system? (a) One (b) Two (c) Three (d) Five 173. Multicellular with loose tissue body organization is a characteristic feature of (a) Monera (b) Protista (c) Plantae (d) Fungi 174. The Cyanobacteria of great nutritional value being marketed today is (a)Serytonema (b) Spirogyra (c)Spirulina (d) Stigonema 175. What is true for cyanobacteria? (a) Oxygenic with nitrogenase (b) Oxygenic without nitrogenase (c) Non oxygenic with nitrogenase (d) Non oxygenic without nitrogenase. 176. Select incorrect statement w. r.t eubacteria (a) Have very simple structure (b) Peptidoglycan nature of cell wall (c) Heterotrophs are most abundant in nature (d) Show most simple metabolic diversity 177.Archaeabacteria do not show (a) Peptidoglycan in cell wall (b) Intrans in DNA (c) Branched chain lipids in cell membrane (d) Ribosomal protein with high acidic nature 178. Thermoacidophiles are capable of withstanding extremely low pH and high temperature due to the (a) Presence of branched chain lipid in cell membrane (b) Presence of resistant enzyme which can operate in basic condition (c) Presence of higher concentration of KCI in their cell (d) More than one option is correct 179.The name of the class is based on sexual structure as the site of karyogamy an d meiosis in (a) Phycomycetes and Actinomycetes (b) Deuteromycetes and Zygomycetes • (c) Ascomycetes and Basidiomycetes (d) Basidiomycetes and Actinomycetes 180.
(a) A- Mucor, B - Aspergillus; C - Agaricus. (b) A- Mucor, B - Agaricus; C -Aspergillus. (c) A- Agaricus; B - Mucor, C - Aspergillus. (d) A-Agaricus; B - Aspergillus; C - Mucor. 181. Decomposers (micro consumers) are assigned to how many kingdoms of Whittaker? (a)1 (b)2 (c)3 (d)4 182. Go through the following characters. How many of them are used to classify the organisms according to five kingdomsystem of classification? Cell structure, flagellation, mode of nutrition,reproduction, phylogenetic relationship, pigmentation. (a) 6 (b) 4 (c) 5 (d ) 3 183. A study of diverse organisms like plants, animals or fungi show similar pattern regarding (a) External morphology (b) Internal structure (c) Physiology (d) Sexual mode of reproduction 184. Choose the correct statement. a) All the members of Phycomycetes are facultative parasites on plants b) Fusion of protoplasm between two motile or non-motile gametes is called plasmogamy c) Kingdom Plantae includes all eukaryotic chlorophyll containing organisms and non-chlorophyll organisms and are called plants. d) Trichoderma belongs to basidiomycetes 185. Which of the following characters belongs to the kingdom Monera? a) Eukaryotic (b) Heterotrophic (c) Multicellular (d) Presence of cell walls made of cellulose 186.match the following and choose the correct combination from the options given .
a. A- (i) , B - (ii) , C - (iii) , D - (iv) b. A - (ii), B - (iii) , C - (iv) , D - (i) c.A - (iv), B - (ii i), C - (ii) , D - (i) d. A- (iii), B - (iv) , C - (ii) , D - (i) 187. Ofthe following statements which are not relevant to archaebacteria?
( a.)B and C (b) A, C and E (c) C, D and E (d)A, C and D 188.Which of the following is wrongly matched? a) Diener-Viroids are found to be a free DNA. b)N. M. Stanley - Crystallised proteins c) W. Beijerinck - Contagium vivum fluidum d) J. J. lvanowsky- Microbes smaller than a bacteria cause mosaic disease of tobacco 189. Structure of E.coli chromosomal DNA is (a) Double stranded, right handed and circular (b) Single stranded, right handed and circular. (c) Double stranded, left handed and linear (d) Double stranded, left handed and circular 190.Organisms which completely lack a cell wall and can live without oxygen is (a)Mycoplasmas (b) Archaebacteria (c) Methanogens (d) Thermoacidophiles 191.Which one of the following Cocci appears like grapes under microscope? (a)Streptococci (b) Diplococci (c) Staphylococci (d) Pneumococci 192. Green phytoplanktons are kept in which kingdom of five kingdom classification system? (a)Kingdom - Monera (b) Kingdom - Protista (c) Kingdom - Plantae (d) Kingdom – Fungi 193. True Nucleus is absent in . (a) Vaucheria {b) Volvox (c) Anabaena (d) Mucor 194.
195. The guts of cow and buffalo possess (a) Methanogens (b) Cyanobacteria (c) Fucus sp. (d) Chlorella sp. 196. The imperfect fungi which are decomposers of litter and help in mineral cycling belong to (a) Phycomycetes (b) Ascomycetes (c) Deuteromycetes (d) Basidiomycetes 197. Select the wrong statement (a) The term ’Contagium vivum fluidum’ was coined by M. W. Beijerinck (b) Mosaic disease in tobacco and AIDS in human being are caused by viruses (c) The viroids were discovered by D. J. lvanowsky (d) W. M. Stanle{showed that viruses could be crystallised 198. Choose the wrong statement. (a) Morels and truffles are poisonous mushrooms ’ (b) Yeast is unicellular and useful in fermentation (c) Penicillium is multicellular and produces antibiotics (d) Neurospora is used in the study of biochemical genetics 199. Pick up the wrong statement. (a) Some fungi are edible (b) Nuclear membrane is present in Monera (c) Cell wall is absent in Animals (d) Protists have photosynthetic and heterotrophic modes of nutrition 200. In which group of organisms the cell walls from two thin overlapping shells which fit together? (a) Dinoflagellates (b) Slime moulds (c) Chrysophytes (d) Euglenoids 201 .Fungus prefer to grow in (a) Warm and humid places (b) Cold and humid places (c) Warm and cold places (d) Warm, cold and humid places 202. Which of the following statements is wrong for viroids? (a) They lack a protein coat (b) They are smaller than viruses (c) They cause infections (d) Their RNA is of high molecular weight 203. One of the major components of cell wall of most fungi is:- (a) Chitin (b) Peptidoglycan (c) Cellulose (d) Hemicellulose 204. Which one of the following statements is wrong? (a) Cyanobacteria are also called blue-green algae (b) Golden algae are also called desmids (c) Eubacteria are also called, false bacteria (d) Phycomycetes are also called algal fungi 205. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include (a) Halophiles (b) Thermoacidiophiles (c) Methanogens (d) Eubacteria 206. Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:- (a) Monera (b) Protista (c) Fungi (d) Animalia 207. Which of the following is not correctly matched? (a) Ascomycetes - Sac fungi (b) Neurospora - Drosophila of plant kingdom (c) Claviceps purpurea - Ergotin drug (d) Lycoperdon - Bracket fungi 208. Which one of the following is wrong for fungi? (a) They are heterotrophic (b) They are both unicellular and multicellular. (c) They are eukaryotic (d) All fungi possess a purely cellulosic cell wall 209. Methanogens belong to: (a) Dinoflagellates (b) Slime moulds (c) Eubacteria (d) Archaebacteria 210. Select the wrong statement: (a) Diatoms are chief producers in the oceans (b) Diatoms are microscopic and float passively in water (c) The walls of diatoms are easily destructible (d) ’Diatomaceous earth ’ is formed by the cell walls of diatoms. 211. The genome of Influenza virus is a: (a) Single-stranded RNA (b) Single-stranded RNA (+) (c) Double-stranded RNA (d) Single-stranded DNA Answer key
1 a 2 d 3 c 4 b 5 a 6 d 7 c 8 c 9 d 10 b
11 c 12 c 13 b 14 c 15 a 16 d 17 d 18 a 19 b 20 c
21 b 22 a 23 a 24 c 25 d 26 a 27 a 28 c 29 b 30 c
31 b 32 b 33 c 34 a 35 d 36 a 37 d 38 d 39 d 40 a
41 d 42 d 43 a 44 a 45 d 46 a 47 b 48 a 49 a 50 a
51 c 52 c 53 a 54 a 55 b 56 a 57 a 58 d 59 d 60 a
61 a 62 b 63 d 64 c 65 b 66 c 67 c 68 c 69 d 70 d
71 a 72 c 73 d 74 c 75 c 76 a 77 b 78 c 79 d 80 c
81 b 82 d 83 d 84 d 85 c 86 a 87 b 88 c 89 d 90 c
91 c 92 b 93 d 94 d 95 b 96 a 97 d 98 c 99 c 100 c
101 a 102 a 103 c 104 b 105 c 106 c 107 b 108 c 109 a 110 b
111 b 112 b 113 a 114 c 115 d 116 a 117 d 118 b 119 c 120 d
121 d 122 a 123 a 124 b 125 c 126 d 127 b 128 d 129 c 130 b
131 b 132 c 133 c 134 d 135 a 136 d 137 c 138 a 139 d 140 d
141 c 142 b 143 d 144 c 145 a 146 a 147 c 148 a 149 c 150 a
151 a 152 c 153 d 154 a 155 d 156 b 157 d 158 c 159 d 160 b
161 b 162 b 163 c 164 b 165 a 166 b 167 a 168 b 169 c 170 b
171 a 172 a 173 d 174 c 175 a 176 d 177 a 178 a 179 c 180 a
181 c 182 b 183 d 184 b 185 b 186 c 187 c 188 a 189 a 190 a
191 c 192 b 193 c 194 d 195 a 196 c 197 c 198 a 199 b 200 c
201 a 202 d 203 a 204 c 205 c 206 b 207 d 208 d 209 d 210 c
211 a                                    
PREVIOUS YEAR QUESTIONS 1. Pick up the wrong statement [2015 RS] (a) Protista have photosynthetic and Heterotrophic modes of nutrition (b) Some fungi are edible (c) Nuclear membrane is present Monera (d) Cell wall is absent in Animalia 2. Five kingdom system of classification suggested by R.H. Whittaker is not based on:[2014] (a) Presence or absence of a well defined nucleus. (b) Mode of reproduction. (c) Mode of nutrition. (d) Complexity of body organisation. 3. What is common about Trypanosoma, Noctiluca, Monocystis and Giardia ? [2006] (a) They have flagella (b) They produce spores (c) These are all parasites (d) These are all unicellular protists 4. In the five-kingdom system of classification, which single kingdom out of the following can include blue green algae, nitrogen-fixing bacteria and methanogenic archaebacteria? [1998, 2003] (a) Fungi (b) Plantae (c) Protista (d) Monera 5. In five kingdom system, the main basis of classification is [2002] (a) Structure of nucleus (b) Mode of nutrition (c) Structure of cell wall (d) Asexual reproduction 6. A system of classification in which a large number of traits are considered, is [1999] (a) Artificial system (b) Synthetic system (c) Natural system (d) Phylogenetic system 7. Phylogenetic classification is based on [1994] (a) Utilitarian system (b) Habits (c) Overall similarities (d) Common evolutionary descent 8. Artificial system of classification was first used by [1989] (a) Linnaeus (b) De Candolle (c) Pliny the Edler (d) Bentham and Hooker 9. System of classification used by Linnaeus was [1989] (a) Natural system (b) Artificial system (c) Phylogenetic system (d) Asexual system 10. Classification given by Bentham and Hooker is [1988] (a) Artificial (b) natural (c) Phylogenetic (d) numerical 11. Which of the following are found in extreme saline conditions? [2017] (a) Eubacteria (b) Cyanobacteria (c) Mycobacteria (d) Archaebacteria 12. Which of the following components provides sticky character to the bacterial cell? [2017] (a) Nuclear membrane (b) Plasma membrane (c) Glycocalyx (d) Cell wall 13. Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? [2017] (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus 14. Which of the following structures is not found in a prokaryotic cell? [2015 RS] (a) Ribosome (b) Mesosome (c) Plasma membrane (d) Nuclear envelope 15. The structures that help some bacteria to attach to rocks and / or host tissues are:[2015 RS] (a) Fimbriae (b) Mesosomes (c) Holdfast (d) Rhizoids 16. Archaebacteria differ from eubacteria in: [2014] (a) Cell membrane (b) Mode of nutrition (c) Cell shape (d) Mode of reproduction 17. The motile bacteria are able to move by:[2014] (a) Fimbriae (b) Flagella (c) Cilia (d) Pili 18. Which of the following are likely to be present in deep sea water? [NEET 2013] (a) Eubacteria (b) Blue-green algae (c) Saprophytic fungi (d) Archaebacteria 19. Specialized cells for fixing atmospheric nitrogen in Nostoc are [NEET Kar. 2013] (a) Akinetes (b) Heterocysts (c) Hormogonia (d) Nodules 20. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as : [2012] (a) Cyanobacteria (b) Archaebacteria (c) Chemosynthetic autotrophs (d) Heterotrophic bacteria 21. The cyanobacteria are also referred to as[2012] (a) Protists (b) golden algae (c) slime moulds (d) blue green algae 22. How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosomes, Porphyra, Wolffia [2012M] (a) Four (b) Five (c) Six (d) Three 23. In eubacteria, a cellular component that resembles eukaryotic cells is: [2011] (a) Plasma membrane (b) Nucleus (c) Ribosomes (d) Cell wall 24. Organisms called methanogens are most abundant in a: [2011] (a) Sulphur rock (b) cattle yard (c) polluted stream (d) hot spring 25. Bacterial leaf blight of rice is caused by a species of [2008] (a) Xanthomonas (b) Pseudomonas (c) Alternaria (d) Erwinia 26. In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea? [2008] (a) Archaea resemble eukarya in all respects (b) Archaea have some novel features that are absent in other prokaryotes and eukaryotes (c) Archaea completely differ from both prokaryotes and eukaryotes 27 Archaea completely differ from prokaryotes.Thermococcus, Methanococcus and Methanobacterium exemplify: [2008] (a) Archaebacteria that contain protein homologous to eukaryotic core histones (b) Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled (c) Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria (d) Bacteria that contain a cytoskeleton and ribosomes 28. Which one of the following statements about mycoplasma is wrong? [2007] (a) They are pleomorphic (b) They are sensitive to penicillin (c) They cause diseases in plants (d) They are also called PPLO. 29. In which of the animals dimorphic nucleus is found? [2005] (a) Amoeba proteus (b) Trypanosoma gambiense (c) Plasmodium vivax (d) Paramecium caudatum 30. The most thoroughly studied fact of the known bacteria-plant interactions is the [2004] (a) Cyanobacteria symbiosis with some aquatic ferns (b) Gall formation on certain angiosperms by Agrobacterium (c) nodulation of Sesbania stems by nitrogen fixing bacteria (d) Plant growth stimulation by phosphate solubilising bacteria 31. The chief advantage of encystment to an Amoeba is [2003] (a) The chance to get rid of accumulated waste products (b) The ability to survive during adverse physical conditions (c) The ability to live for some time without ingesting food (d) Protection from parasites and predators 32. Which bacteria are utilized in gober gas plant?[2002] (a) Methanogens (b) Nitrifying bacteria (c) Ammonifying bacteria (d) Denitrifying bacteria 33. Which statement is correct for bacterial transduction ? [2002] (a) Transfer of some genes from one bacteria to another bacteria through virus (b) Transfer of genes from one bacteria to another bacteria by conjugation (c) Bacteria obtains its DNA directly (d) Bacteria obtains its DNA from other external source 34. What is true for cyanobacteria? [2001] (a) Oxygenic with nitrogenase (b) Oxygenic without nitrogenase (c) Non-oxygenic with nitrogen (d) Non-oxygenic without nitrogenase 35. What is true for archaebacteria? [2001] (a) All halophiles (b) All photosynthetic (c) All fossils (d) Oldest living beings 36. The main difference in Gram (+)ve and Gram (–)ve bacteria resides in their [2001] (a) Cell wall (b) cell membrane (c) Cytoplasm (d) flagella 37. Photosynthetic bacteria have pigments in [1999] (a) Leucoplasts (b) chloroplasts (c) Chromoplasts (d) Chromatophores 38. In prokaryotes, the genetic material is [1999] (a) Linear DNA with histones (b) Circular DNA with histones (c) Linear DNA without histones (d) Circular DNA without histones 39. A few organisms are known to grow and multiply at temperatures of 100–105ºC. They belong to [1998] (a) Marine archaebacteria (b) Thermophilic sulphur bacteria (c) hot-spring blue-green algae (cyanobacteria) (d) Thermophilic, sub aerial fungi 40. Transfer of genetic information from one bacterium to another in the transduction process is through [1998] (a) Conjugation (b) Bacteriophages released from the donor bacterial strain (c) Another bacterium (d) Physical contact between donor and recipient strain 41. The hereditary material present in the bacterium Escherichia coli is [1998] (a) Single stranded DNA (b) Deoxyribose sugar (c) Double stranded DNA (d) Single stranded RNA 42. Sex factor in bacteria is [1996] (a) Chromosomal replicon (b) F-replicon (c) RNA (d) Sex-pilus 43. Temperature tolerance of thermal blue-green algae is due to [1994] (a) Cell wall structure (b) Cell organisation (c) Mitochondrial structure (d) homopolar bonds in their proteins 44. Nitrogen fixer soil organisms belong to[1994] (a) Mosses (b) bacteria (c) Green algae (d) soil fungi 45. Entamoeba coli causes [1994] (a) Pyorrhoea (b) Diarrhoea (c) Dysentery (d) None 46. Escherichia coli is used extensively in biological research as it is [1993] (a) Easily cultured (b) Easily available (c) Easy to handle (d) Easily multiplied in host 47. Gonophore/bacterial genome or nucleoid is made of [1993] (a) Histones and nonhistones (b) RNA and histones (c) a single double stranded DNA (d) a single stranded DNA 48. Bacteria lack alternation of generation because there is [1992] (a) Neither syngamy nor reduction division (b) Distinct chromosomes are absent (c) No conjugation (d) No exchange of genetic material 49. Name the organisms which do not derive energy directly or indirectly from sun [1991] (a) Chemosynthetic bacteria (b) Pathogenic bacteria (c) Symbiotic bacteria (d) Mould 50. Which one belongs to Monera? [1990] (a) Amoeba (b) Escherichia (c) Gelidium (d) Spirogyra 51. Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom [2016] (a) Monera (b) Protista (c) Fungi (d) Animalia 52. In which group of organisms the cell walls form two thin overlapping shells which fit together? [2015 RS] (a) Euglenoids (b) Dinoflagellates (c) Slime moulds (d) Chrysophytes 53. In the five-kingdom classification, Chlamydomonas and Chlorella have been included in[2012M] (a) Protista (b) Algae (c) Plantae (d) Monera 54. Which one of the following organisms is not an example of eukaryotic cells? [2011] (a) Paramecium caudatum (b) Escherichia coli (c) Euglena viridis (d) Amoeba proteus 55. Single-celled eukaryotes are included in:[2010] (a) Protista (b) Fungi (c) Archaea (d) Monera 56. Which one of the following is a slime mould? [2007] (a) Physarum (b) Thiobacillus (c) Anabaena (d) Rhizopus 57. The thalloid body of a slime mould (Myxomycetes) is known as [2006] (a) Plasmodium (b) fruiting body (c) Mycelium (d) protonema 58. Auxopores and hormocysts are formed, respectively, by: [2005] (a) Some diatoms and several cyanobacteria (b) Some cyanobacteria and diatoms (c) Several cyanobacteria and several diatoms (d) Several diatoms and a few cyanobacteria. 59. In Amoeba and Paramecium osmoregulation occurs through [2002] (a) Pseudopodia (b) Nucleus (c) Contractile vacuole (d) General surface 60. Which of the following organism possesses characteristics of both a plant and an animal?[1995] (a) Bacteria (b) Euglena (c) Mycoplasma (d) Paramecium 61. The function of contractile vacuole, in protozoa, is [1995] (a) Locomotion (b) food digestion (c) Osmoregulation (d) reproduction 62. Macro and micronucleus are the characteristic feature of [1995] (a) Paramecium and Vorticella (b) Opelina and Nictothisus (c) Hydra and Ballantidium (d) Vorticella and Nictothirus 63. Excretion in Amoeba occurs through [1995] (a) lobopodia (b) uroid portion (c) Plasma membrane (d) Contractile vacuole 64. Protistan genome has [1994] (a) Membrane bound nucleoproteins embedded in cytoplasm (b) Free nucleic acid aggregates (c) Gene containing nucleoproteins condensed together in loose mass (d) Nucleoprotein in direct contact with cell substance 65. Protists obtain food as [1994] (a) Photosynthesisers, symbionts and holotrophs (b) Photosynthesisers (c) Chemo synthesisers (d) Holotrophs 66. Protista includes [1994] (a) Heterotrophs (b) Chemo heterotrophs (c) Chemoautotrophs (d) All the above 67. African sleeping sickness is due to [1991] (a) Plasmodium vivax transmitted by Tsetse fly (b) Trypanosoma lewsii transmitted by Bed Bug (c) Trypanosoma gambiense transmitted by Glossina palpalis (d) Entamoeba gingivalis spread by Housefly. 68. Genetic information in Paramecium is contained in [1990] (a) Micronucleus (b) Macronucleus (c) Both micronucleus and macronucleus (d) Mitochondria 69. Which is true about Trypanosoma? [1990] (a) Polymorphic (b) Monogenetic (c) Facultative Parasite (d) Non-pathogenic 70. Plasmodium, the malarial parasite, belongs to class [1990] (a) Sarcodina (b) Ciliata (c) Sporozoa (d) Dinophyceae 71. The causal organism for African sleeping sickness is [1989] (a) Trypanosoma cruzi (b) T. rhodesiense (c) T. tangela (d) T. gambiense 72. The vector for sleeping sickness is [1989] (a) House fly (b) Tse-Tse fly (c) Sand fly (d) Fruit fly 73. Trypanosoma belongs to class [1989] (a) Sarcodina (b) Zooflagellata (c) Ciliata (d) Sporozoa 74. A bite of Tse-Tse fly may pass to humans[1989] (a) Leishmania donovani (b) Trypanosoma gambiense (c) Entamoeba histolytica (d) Plasmodium vivax 75. The infective stage of malarial parasite Plasmodium that enters human body is [1989] (a) merozoite (b) sporozoite (c) trophozoite (d) minuta form 76. One of the major components of cell wall of most fungi is [2016] (a) Chitin (b) Peptidoglycan (c) Cellulose (d) Hemicellulose 77. Which one of the following statements is wrong? [2016] (a) Cyanobacteria are also called blue-green algae (b) Golden algae are also called desmids (c) Eubacteria are also called false bacteria (d) Phycomycetes are also called algal fungi 78. Which one one of the following matches is correct? [2015 RS]
1 Alternaria Sexual reproduction absent Deuteromycetes
2 Mucor Reproduction by Conjugation Ascomycetes
3 Agaricus Parasitic fungus Basidiomycetes
4 Phytophthora Aseptatmycelium Basidiomycetes
79. True nucleus is absent in: [2015 RS] (a) Mucor (b) Vaucheria (c) Volvox (d) Anabaena 80. The imperfect fungi which are decomposers of litter and help in mineral cycling belong to:[2015 RS] (a) Basidiomycetes (b) Phycomycetes (c) Ascomycetes (d) Deuteromycetes 81. Choose the wrong statements: [2015 RS] (a) Neurospora is used in the study of biochemical genetics (b) Morels and truffles are poisonous Mushrooms (c) Yeast is unicellular and useful in fermentation (d) Penicillium is multicellular and produces antibiotics 82. Which one of the following fungi contains hallucinogens? [2014] (a) Morchella esculenta (b) Amanita muscaria (c) Neurospora sp. (d) Ustilago sp. 83. Which one of the following is true for fungi?[NEET Kar. 2013] (a) They are phagotrophs (b) They lack a rigid cell wall (c) They are heterotrophs (d) They lack nuclear membrane 84. Membrane-bound organelles are absent in: [2010] (a) Saccharomyces (b) Streptococcus (c) Chlamydomonas (d) Plasmodium 85. Which one is the wrong pairing for the disease and its causal organism? [2009] (a) Black rust of wheat - Puccinia graminis (b) Loose smut of wheat - Ustilago nuda (c) Root-knot of vegetables - Meloidogyne sp (d) Late blight of potato - Alternaria solani 86. Which pair of the following belongs to Basidiomycetes? [2007] (a) Puffballs and Claviceps (b) Peziza and stink borns (c) Morchella and mushrooms (d) Birds nest fungi and puffballs. 87. Ergot of rye is caused by a species of [2007] (a) Uncimula (b) Ustilago (c) Claviceps (d) Phytophthora. 88. Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread? [2006] A. Temperature of about 25°C B. Temperature of about 5° C C. Relative humidity of about 5% D. Relative humidity of about 95% E. A shady place F. A brightly illuminated place Choose the answer from the following Options: (a) A, D and E only (b) B, D and E only (c) B, C and F only (d) A, C and E only 89. Viruses that infect bacteria multiply and cause their lysis, are called [2004] (a) Lysozymes (b) lipolytic (c) Lytic (d) lysogenic 90. Mycorrhiza represents [2003] (a) Antagonism (b) endemism (c) Symbiosis (d) parasitism 91. Which of the following secretes toxins during storage conditions of crop plants? [2002] (a) Aspergillus (b) Penicillium (c) Fusarium (d) Colletotrichum 92. Which fungal disease spreads by seed and flowers? [2002] (a) Loose smut of wheat (b) Corn stunt (c) Covered smut of barley (d) Soft rot of potato 93. Plant decomposers are [2001] (a) Monera and fungi (b) Fungi and plants (c) Protista and Animalia (d) Animalia and Monera 94. Adhesive pad of fungi penetrates the host with the help of [2001] (a) Mechanical pressure and enzymes (b) Hooks and suckers (c) Softening by enzymes (d) Only by mechanical pressure 95. A good green manure in rice fields is [2000] (a) Aspergillus (b) Azolla (c) Salvinia (d) Mucor 96. In fungi stored food material is [2000] (a) Glycogen (b) starch (c) Sucrose (d) glucose 97. Black rust of wheat is caused by [2000] (a) Puccinia (b) Mucor (c) Aspergillus (d) Rhizopus 98. Puccinia forms [1998] (a) Uredia and aecia on wheat leaves (b) Uredia and telia on wheat leaves (c) Uredia and aecia on barberry leaves (d) Uredia and pycnia on barberry leaves 99. Mycorrhiza is [1996] (a) A symbiotic association of plant roots and certain fungi (b) An association of algae with fungi (c) A fungus parasitising root system of higher plants (d) An association of Rhizobium with the roots of leguminous plants 100. Which of the following is not correctly matched? [1995] (a) Root knot disease - Meloidogyne javanica (b) Smut of bajra - Tolysporium penicillariae (c) Covered smut of barley - Ustilago nuda (d) Late blight of potato - Phytophthora Infestans 101. The chemical compounds produced by the host plants to protect themselves against fungal infection is [1995] (a) Phytotoxin (b) pathogen (c) Phytoalexins (d) hormone 102. White rust disease is caused by [1995] (a) Claviceps (b) Alternaria (c) Phytophthora (d) Albugo candida 103. Ustilago causes plant diseases called smut because [1994] (a) They parasitise cereals (b) Mycelium is black (c) They develop sooty masses of spores (d) Affected parts becomes completely black. 104. Claviceps purpurea is causal organism of [1994] (a) Smut of Barley (b) Rust of Wheat (c) Ergot of Rye (d) Powdery Mildew of Pea. 105. Absorptive heterotrophic nutrition is exhibited by [1990] (a) Algae (b) Fungi (c) Bryophytes (d) Pteridophytes 106. Viroids differ from viruses in having; [2017] (a) DNA molecules without protein coat (b) RNA molecules with protein coat (c) RNA molecules without protein coat (d) DNA molecules with protein coat 107. Which of the following statements is wrong for viroids? [2016] (a) They lack a protein coat (b) They are smaller than viruses (c) They cause infections (d) Their RNA is of high molecular weight 108. Which of the following shows coiled strand and capsomeres? [2014] (a) Polio virus (b) Tobacco mosaic virus (c) Measles virus (d) Retrovirus 109. Viruses have: [2014] (a) DNA enclosed in a protein coat (b) Prokaryotic nucleus (c) Single chromosome (d) Both DNA and RNA 110. Satellite RNAs are present in some [NEET Kar. 2013] (a) Plant viruses (b) Viroids (c) Prions (d) Bacteriophages 111. Which statement is wrong for viruses? [2012] (a) All are parasites (b) All of them have helical symmetry (c) They have ability to synthesize nucleic acids and proteins (d) Antibiotics have no effect on them 112. Virus envelope is known as: [2010] (a) Capsid (b) Virion (c) Nucleoprotein (d) Core 113. The causative agent of mad-cow disease is a[2006] (a) Prion (b) Worm (c) Bacterium (d) Virus 114. Viruses are no more “alive” than isolated chromosomes because [2003] (a) Both require the environment of a cell to replicate (b) They require both RNA and DNA (c) They both need food molecules (d) They both require oxygen for respiration 115. Which one of the following statements about viruses is correct? [2003] (a) Nucleic acid of viruses is known as Capsid (b) Viruses possess their own metabolic system (c) All viruses contain both RNA and DNA (d) Viruses are obligate parasites 116. Tobacco mosaic virus is a tubular size [2003] (a) 700 × 30 nm (b) 300 × 10 nm (c) 300 × 5 nm (d) 300 × 20 nm 117. Cauliflower mosaic virus contains [2001] (a) ss RNA (b) ds RNA (c) ds DNA (d) ss DNA 118. Enzymes are absent in [2000] (a) Cyanobacteria (b) Viruses (c) Algae (d) Fungi 119. A virus can be considered a living organism because it [2000] (a) Responds to touch stimulus (b) Respires (c) reproduces (inside the host) (d) Can cause disease 120. Which one of the following statements about viruses is correct? [1997] (a) Viruses possess their own metabolic System (b) Viruses contain either DNA or RNA (c) Viruses are facultative parasites (d) Viruses are readily killed by antibiotics 121. Influenza virus has [1996] (a) DNA (b) RNA (c) Both DNA and RNA (d) Only proteins and no nucleic acids. 122. Tobacco Mosaic Virus (TMV) genes are [1994] (a) Double stranded RNA (b) Single stranded RNA (c) Polyribonucleotide (d) Proteinaceous 123. Rickettsia constitute a group under [1994] (a) Bacteria (b) Viruses (c) Independent group between bacteria and viruses (d) Fungi 124. Organisms which are indicators of SO2pollution of air [1992] (a) Mosses (b) Lichens (c) Mushrooms (d) Puffballs 125. Which of the following are most suitable indicators of SO2 pollution in the environment?[2015 RS] (a) Conifers (b) Algae (c) Fungi (d) Lichens 126. Which one single organism or the pair of organisms is correctly assigned to its taxonomic group? [2012] (a) Paramoecium and Plasmodium belong to the same kingdom as that of Penicillium (b) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan (c) Yeast used in making bread and beer is a fungus (d) Nostoc and Anabaena are examples of Protista 127. There exists a close association between the alga and the fungus within lichen. The fungus [2005] (a) Provides protection, anchorage and absorption for the alga (b) Provides food for the alga (c) Fixes the atmospheric nitrogen for the alga (d) Releases oxygen for the alga 128. Lichens are a well known combination of an alga and a fungus where fungus has [2004] (a) A saprophytic relationship with the alga (b) An epiphytic relationship with the alga (c) A parasitic relationship with the alga (d) A symbiotic relationship with the alga 129. Most of the Lichens consist of [1997] (a) Blue-green algae and basidiomycetes (b) Blue-green algae and ascomycetes (c) red algae and ascomycetes (d) Brown algae and phycomycetes 130. Which one of the following is not true about lichens? [1996] (a) Their body is composed of both algal and fungal cells (b) Some form food for reindeers in artic regions (c) Some species can be used as pollution indicators (d) These grow very fast at the rate of about 2 cm per year 131. Lichens indicate SO2 pollution because they [1989] (a) Show association between algae and fungi (b) Grow faster than others (c) are sensitive to SO2 (d) flourish in SO2 rich environment Answer key
1 c 2 a 3 d 4 d 5 b 6 c 7 d 8 c 9 b 10 b
11 d 12 c 13 b 14 d 15 a 16 a 17 b 18 d 19 b 20 d
21 d 22 c 23 a 24 b 25 a 26 b 27 a 28 b 29 d 30 b
31 b 32 a 33 a 34 a 35 d 36 a 37 d 38 d 39 a 40 b
41 c 42 b 43 d 44 b 45 d 46 a 47 c 48 a 49 a 50 b
51 b 52 d 53 b 54 b 55 a 56 a 57 a 58 d 59 c 60 b
61 c 62 a 63 d 64 a 65 a 66 d 67 c 68 a 69 a 70 c
71 d 72 b 73 b 74 b 75 b 76 a 77 c 78 a 79 d 80 d
81 b 82 b 83 c 84 b 85 d 86 d 87 c 88 a 89 c 90 c
91 a 92 a 93 a 94 a 95 b 96 a 97 a 98 b 99 a 100 c
101 c 102 d 103 d 104 c 105 b 106 c 107 d 108 b 109 a 110 a
111 b 112 a 113 a 114 a 115 d 116 d 117 c 118 b 119 c 120 b
121 b 122 b 123 c 124 b 125 d 126 c 127 a 128 d 129 b 130 d
131 c