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