1.
Which of the following are likely to be present in deep
seawater?
(a) Eubacteria
(b) Blue-green algae
(c) Saprophytic fungi
(d) Archaebacteria
SHOW ANSWER AND EXPLANATION
2. Which one of the following is true for fungi?
(a) They are phagotrophic
(b) They lack a rigid cell wall
(c) They are heterotrophs
(d) They lack a nuclear membrane
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3. Specialized cells for fixing atmospheric nitrogen in Nostoc are
(a) Akinetes
(b) Heterocysts
(c) Hormogonia
(d) Nodules
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4. Satellite RNAs are present in some
(a) Plant viruses
(b) Viroids
(c) Prions
(d) Bacteriophages
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5. 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 organization
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6. Which one of the following fungi contains hallucinogens?
(a) Morchella esculenta
(b) Amanita muscaria
(c) Neurospora sp.
(d) Ustilago sp.
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7. Archaebacteria differ from eubacteria in:
(a) Cell membrane
(b) Mode of nutrition
(c) Cell shape
(d) Mode of reproduction
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8. Which of the following shows coiled RNA strand and
capsomeres?
(a) Poliovirus
(b) Tobacco mosaic virus
(c) Measles virus
(d) Retrovirus
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9. Viruses have:
(a) DNA enclosed in a protein coat
(b) Prokaryotic nucleus
(c) Single chromosome
(d) Both DNA and RNA
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10. The motile bacteria can move by:
(a) Fimbriae
(b) Flagella
(c) Cilia
(d) Pili
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11. Which one of the following matches is correct?
(a) Alternaria Sexual Deuteromycetes reproduction absent
(b) Mucor Reproduction Ascomycetes by Conjugation
(c) Agaricus Parasitic fungus Basidiomycetes
(d) Phytophthora Aseptate Basidiomycetes mycelium
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12. True nucleus is absent in:
(a) Mucor
(b) Vaucheria
(c) Volvox
(d) Anabaena
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13. Which of the following structures is not found in a prokaryotic
cell?
(a) Ribosome
(b) Mesosome
(c) Plasma membrane
(d) Nuclear envelope
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14. The imperfect fungi which are decomposers of litter and help
in mineral cycling belong to:
(a) Basidiomycetes
(b) Phycomycetes
(c) Ascomycetes
(d) Deuteromycetes
SHOW ANSWER AND EXPLANATION
15. The structures that help some bacteria to attach to rocks
and /or host tissues are:
(a) Fimbriae
(b) Mesosomes
(c) Holdfast
(d) Rhizoids
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16. Pick the wrong statement
(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
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17. In which group of organisms the cell walls form two thin
overlapping shells which fit together?
(a) Euglenoids
(b) Dinoflagellates
(c) Slime moulds
(d) Chrysophytes
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18. Choose the wrong statement:
(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
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19. Which of the following are the most suitable indicators of SO2
pollution in the environment?
(a) Conifers
(b) Algae
(c) Fungi
(d) Lichens
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20. 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
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21. One of the major components of the cell wall of most fungi is
(a) Chitin
(b) Peptidoglycan
(c) Cellulose
(d) Hemicellulose
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22. 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
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23. Chrysophytes, Euglenoids, Dinoflagellates, and Slime moulds
are included in the kingdom
(a) Monera
(b) Protista
(c) Fungi
(d) Animalia
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24. Which of the following are found in extreme saline conditions?
(a) Eubacteria
(b) Cyanobacteria
(c) Mycobacteria
(d) Archaebacteria
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25. Which of the following components provides a sticky
character to the bacterial cell?
(a) Nuclear membrane
(b) Plasma membrane
(c) Glycocalyx
(d) Cell wall
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26. Viroids differ from viruses in having;
(a) DNA molecules without a protein coat
(b) RNA molecules with a protein coat
(c) RNA molecules without a protein coat
(d) DNA molecules with a protein coat
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27. 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?
(a) Pseudomonas
(b) Mycoplasma
(c) Nostoc
(d) Bacillus
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28. All eukaryotic unicellular organisms belong to
(a) Monera
(b) Protista
(c) Fungi
(d) Bacteria
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29. The five-kingdom classification was proposed by
(a) R.H. Whittaker
(b) C. Linnaeus
(c) A Roxberg
d) Virchow
SHOW ANSWER AND EXPLANATION
30. Organisms living in salty areas are called as
(a) methanogens
(b) halophiles
(c) heliophytes
(d) thermoacidophiles
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31. Naked cytoplasm, multinucleated and saprophytic are the
characteristics of
(a) Monera
(b) Protista
(c) Fungi
(d) Slime molds
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32. An association between roots of higher plants and fungi is
called
(a) lichen
(b) fern
(c) Slime molds
(d) BGA
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33. A dikaryon is formed when
(a) meiosis is arrested
(b) the two haploid cells do not fuse immediately
(c) cytoplasm does not fuse
(d) None of the above
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34. Contagium vivum fluidum was proposed by
(a) D.J. Ivanowsky
(b) M.W. Beijernek
(c) Stanley
(d) Robert Hook
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35. Association between mycobiont and phycobiont are found in
(a) mycorrhiza
(b) root
(c) lichens
(d) BGA
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36. The difference between virus and viroid is
(a) absence of protein coat in viroid, but present in the virus.
(b) presence of low molecular weight RNA in virus, but absent in viroid
(c) Both (a) and (b)
(d)None of the above
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37. With respect to the fungal sexual cycle, choose the correct
sequence of events.
(a) Karyogamy, Plasmogamy, and Meiosis
(b) Meiosis, Plasmogamy, and Karyogamy
(c) Plasmogamy, Karyogamy, and Meiosis
(d) Meiosis, Karyogamy, and Plasmogamy
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38. Viruses are non-cellular organisms, but replicate themselves
once they infect the host cell. To which of the following kingdom
do viruses belong?
(a) Monera
(b) Protista
(c) Fungi
(d) None of these
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39. Members of Phycomycetes are found in
(i) Aquatic habitats
(ii) On decaying wood
(iii) Moist and damp places
(iv) As obligate parasites on plants
Choose from the following options:
(a) (i) and (iv)
(b) (ii) and (iii)
(c) None of these
(d) All of these
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40. Two kingdom classification was given by
(a) Whittaker
(b) Aristotle
(c) Linnaeus
(d) Darwin
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41. Cyanobacteria belong to the kingdom
(a) Protista
(b) fungi
(c) Plantae
(d) monera
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42. The bacteria that can survive in extreme salty areas are called
(a) archaebacteria
(b) methanogens
(c) eubacteria
(d) halophiles
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43. Heterocyst is found in
(a) Nostoc
(b) chrysophytes
(c) slime moulds
(d) dinoflagellates
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44. ‘Diatoms’ the chief producers in the oceans belong to the
group
(a) chrysophytes
(b) dinoflagellates
(c) euglenoids
(d) slime moulds
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45. Bacteria have been put in the kingdom Monera because they
are
(a) unicellular
(b) prokaryotes
(c) microscopic
(d) decomposers
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46. Archaebacteria are considered to be ancient bacteria because
they are
(a) autotrophs
(b) heterotrophs
(c) able to survive in extreme conditions
(d) unicellular
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47. The five-kingdom classification was given by
(a) Linnaeus
(b) Whittaker
(c) Leeuwenhoek
(d) John Ray
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48 Euglena belongs to the kingdom
(a) monera
(b) Protista
(c) Plantae
(d) Animalia
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49. Ferns are
(a) unicellular prokaryotes
(b) unicellular eukaryotes
(c) multicellular prokaryotes
(d) multicellular eukaryotes
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50. The mode of nutrition in Kingdom Fungi is mainly
(a) autotrophic
(b) heterotrophic
(c)saprophytic
(d) parasitic
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51. Viruses have
(a) DNA enclosed in a protein coat
(b) prokaryotic nucleus
(c) DNA enclosed in a nuclear membrane
(d) membrane attached DNA
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52. The smallest living organism is/are
(a) Amoeba
(b) yeast
(c) blue-green algae
(d) red or brown algae
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53. The holozoic kind of nutrition is found in
(a) protozoans
(b) phytoplanktons
(c) cyanobacteria
(d) fungi
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54. The multicellular decomposers belong to the kingdom
(a) monera
(b) Protista
(c) fungi
(d) Plantae
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55. Lichens are produced by
(a) soredia
(b) conidia
(c) zoospores
(d) zygospores
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56. Statement 1: Linnaeus classified plants into trees, shrubs,
and herbs, on the basis of morphological characters.
Statement 2: Aristotle divided animals into 2 groups – Anaima and
Enaima.
(a) Only statement 1 is correct
(b) Only statement 2 is correct
(c) Both statement 1 and statement 2 are correct
(d) Both statement 1 and statement 2 are incorrect
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57. Which of the following characteristic(s) is/are used by
Whittaker for the classification of organisms?
(a) Mode of nutrition
(b) Thallus organisation
(c) Phylogenetic relationships
(d) All of the above
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58. Select correct match w.r.t. Whittaker’ system of classification
(a) Monera: Unicellular, osmotrophs, producers and decomposers, true
cellulosic cell wall
(b) Protista: Unicellular, eukaryotic, photoautotrophs, and
chemoautotrophs
(c) Fungi: Multicellular/loose tissue, eukaryotic, osmotrophs, chitinous wall
(d) Animalia: Multicellular, eukaryotic, organ or organ system, holozoic, no
saprobic
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59. Organisms of which of the following kingdom do not have
nuclear membrane?
(a) Protista
(b) Fungi
(c) Monera
(d) Plantae
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60. Protists are
(a) single-celled eukaryotes
(b) multicellular eukaryotes
(c) single-celled prokaryotes
(d) single-celled akaryote
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61. Bacteria are considered primitive organisms because they
(a) Possess incipient nucleus
(b) Are small, microscopic plants, which are not seen by the naked eyes
(c) Cause serious diseases to the human being, domesticated animals,
and crop plants
(d) Produce endospores that are very resistant to adverse conditions
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62. Which of the following pigments is present in cyanobacteria?
(a) Chlorophyll ‘a’
(b) Chlorophyll ‘b’
(c) Chlorophyll ‘c’
(d) Chlorophyll ‘d’
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63. 70S ribosomes, chromatophores, and circular DNA are found
in
(a) All eukaryotes
(b) All prokaryotes
(c) Some prokaryotes
(d) Some eukaryotes and some prokaryotes
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64. Which of the following is the smallest living cell and can live
without oxygen?
(a) Mycoplasma
(b) Mycorrhiza
(c) Euglena
(d) Trypanosoma
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65. There is no alternation of generation in Escherichia coli
because of the absence of
(a) Syngamy
(b) Reduction division
(c) Conjugation
(d) Both (1) & (2)
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66. Which of the following processes are involved in the
reproduction of protists?
(a) Binary fission and budding
(b) Cell fusion and zygote formation
(c) Spore formation and cyst formation
(d) All of the above
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67. Branched-chain lipids occur in the cell membranes of
(a) Methanobacterium
(b) Mycoplasma
(c) Actinomycetes
(d) Streptomyces
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68. Which of the following pairs come under the group
chrysophytes?
(a) Diatoms and Euglena
(b) Euglena and Trypanosoma
(c) Diatoms and Desmids
(d) Gonyaulax and Desmids
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69. Cyanobacteria do not possess
(a) Gene recombinations
(b) Flagella
(c) Plasmids
(d) Pigments
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70. Which of the following is an example of amoeboid protozoans?
(a) Trypanosoma
(b) Paramecium
(c) Gonyaulax
(d) Entamoeba
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71. The bacterial cell divides every one minute. It takes 15
minutes for a cup to be one-fourth full. How much time will it take
to fill the cup?
(a) 30 minutes
(b) 45 minutes
(c) 60 minutes
(d) 17 minutes
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72. Which of the following are parasitic fungi on the mustard
plant?
(a) Albugo
(b) Puccinia
(c) Yeast
(d) Ustilago
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73. The highly resistant nature of endospore is due to the
presence of
(a) Dipicolinic acid and peptidoglycan in spore coat
(b) Peptidoglycan in exosporium
(c) Dipicolinic acid and Ca in cortex
(d) Dipicolinic acid and Ca in cell membrane
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74. Which of the following is used extensively in biochemical and
genetic work?
(a) Agaricus
(b) Alternaria
(c) Neurospora
(d) Mucor
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75. Endospores formed by certain bacteria are actually the means
for
(a) Reproduction
(b) Perennation
(c) Bioluminescence
(d) Red snow formation
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76. Which of the following is/are example(s) of Deuteromycetes?
(a) Alternaria
(b) Colletotrichum
(c) Trichoderma
(d) All of these
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77. Which group of fungi is commonly known as imperfect fungi?
(a) Phycomycetes
(b) Ascomycetes
(c) Basidiomycetes
(d) Deuteromycetes
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78. Seawater glows during the night mainly due to the occurrence
of
(a) Gonyaulax
(b) Noctiluca
(c) Euglena
(d) Cyclotella
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79. Bladderwort and Venus flytrap are examples of
(a) insectivorous plants
(b) parasitic plants
(c) N2 – rich plants
(d) aquatic plants
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80. Rejuvenescent spore of diatom is
(a) Haploid and exospore
(b) Diploid and statospore
(c) Haploid and statospore
(d) Diploid and auxospore
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81. The subunit of the capsid is called
(a) core
(b) nucleotide
(c) amino acid
(d) capsomere
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82. Leucosin (Chrysolaminarin) is a carbohydrate that is stored as
reserve food in case of
(a) Diatom
(b) Euglena
(c) Dinoflagellates
(d) Paramoecium
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83. Which of the following is not a viral disease?
(a) AIDS and mumps
(b) Smallpox and herpes
(c) Influenza
(d) Cholera
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84. Flagellation in Euglena is
(a) Uniflagellation and stichonematic
(b) Isokont and whiplash type
(c) Heterokont and whiplash type
(d) Heterokont and stichonematic
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85. The symbiotic association between fungi and algae is called
(a) lichen
(b) mycorrhiza
(c) rhizome
(d) endomycorrhiza
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86. The special type of red pigment present in the eye-spot of
Euglena and Crustacea is called
(a) Phycoerythrin
(b) Astaxanthin
(c) Carotene
(d) Xanthophyll
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87. The genetic material of the virus includes
(a) only RNA.
(b) only DNA.
(c) RNA and DNA both
(d) RNA or DNA, i.e., one nucleic acid in a virus.
SHOW ANSWER AND EXPLANATION
88. Paraflagellar body of Euglena helps in
(a) Locomotion
(b) Photoreception
(c) Reproduction
(d) Osmoregulation
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89. Dikaryon formation is the characteristic feature of
(a) ascomycetes and basidiomycetes.
(b) phycomycetes and basidiomycetes.
(c) ascomycetes and Phycomycetes.
(d) phycomycetes and zygomycetes.
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90. The structure formed in the life cycle of cellular slime mould
due to chemotactic movement is
(a) Pseudoplasmodium
(b) Swarm cells
(c) Macrocyst
(d) Capillitia
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91. The clamp connection is found in
(a) basidiomycetes
(b) ascomycetes
(c) saccharomycetes
(d) haplomycetes
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92. Myxamoeba are formed in the life cycle of
(a) Physarum
(b) Amoeba
(c) Entamoeba
(d) Diatoms
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93. Plasmogamy is the fusion of
(a) two haploid cells including their nuclei.
(b) two haploid cells without nuclear fusion.
(c) sperm and egg.
(d) sperm and two polar nuclei.
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94. The difference between a red sea and red tide is
(a) Red tide takes place in the red sea
(b) Associated with cyanobacteria and protist respectively
(c) One is by virus and the other by bacteria
(d) Associated with Rhodophyceae and diatoms respectively
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95. Which scientist classified plants into trees, shrubs, and herbs
and animals into two groups based on the absence or presence of
red blood cells?
(a) Aristotle
(b) R. H. Whittaker
(c) D. J. Ivanowsky
(d) W. M. Stanley
SHOW ANSWER AND EXPLANATION
96. Consider the following statements and select the correct set
of features with respect to the life cycle of acellular slime moulds
1. Haploid vegetative stage as myxamoebae
2. Diploid vegetative stage as plasmodium
3. Capillitium
4. Photosynthetic protists
5. Sporic meiosis
6. Isogamous sexual reproduction
7. Anisogamous sexual reproduction with zygotic meiosis
(a) a, c, g
(b) b, c, g
(c) b, d, e, f
(d) b, c, e, f
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97. Fungi are filamentous with the exception of “X” which is
unicellular. Identify X.
(a) Yeast
(b) Albugo
(c) Mucor
(d) Lichen
SHOW ANSWER AND EXPLANATION
98. Find the correct match
Column I Column II
1. Gill fungi (i) Salmon disease
2. Cup fungi (ii) Trama
3. Black mould (iii) Penicillin
4. Blue/green (iv) Zygophore
(v) Apothecium
(a) a(ii), b(iii), c(i), d(v)
(b) a(ii), b(v), c(iv), d(i)
(c) a(ii), b(v), c(iv), d(iii)
(d) a(ii), b(iii), c(i), d(iv)
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99. The bacteria which oxidize various inorganic substances and
use the released energy for the synthesis of food are called
(a) Archaebacteria
(b) Heterotrophic bacteria
(c) Photosynthetic autotrophic bacteria
(d) Chemosynthetic autotrophic bacteria
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100. Select incorrectly matched pair
(a) Mucor mucedo – Coprophilous
(b) Albugo candida – Facultative parasite
(c) Agaricus bisporus – Edible basidiocarp
(d) Puccinia graminis – Black rust fungi
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101. Which of the following statements is not correct for viruses?
(a) Viruses are obligate parasites.
(b) Viruses can multiply only when they are inside the living cells.
(c) Viruses cannot pass through bacterial filters.
(d) Viruses are made up of protein and DNA or RNA (never both DNA and
RNA).
SHOW ANSWER AND EXPLANATION
102. Fungi differ from bacteria in
(d) Mode of nutrition
(c) Having NAG in cell wall
(b) Flagella structure
(a) Reserve food material as glycogen
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103. Which of the following statements is correct for archaea?
(a) Archaea resemble eukaryotes 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.
(d) Archaea completely differ from prokaryotes.
SHOW ANSWER AND EXPLANATION
104. The fruiting body in Aspergillus (or Penicillium) is known as
(a) Cleistothecium
(b) Apothecium
(c) Perithecium
(d) Ascus
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105. Which of the following statements is not correct for
methanogens?
(a) They are archaebacteria.
(b) They live in marshy areas.
(c) Methane is their preferred carbon source.
(d) They are present in the guts of several ruminant animals (cow,
buffaloes) and produce biogas (CH4) from the dung of these animals.
SHOW ANSWER AND EXPLANATION
106. The famous Irish famine is related to a disease of potato
known as
(a) Late blight of potato
(b) Early blight of potato
(c) Dry rot of potato
(d) Potato scab
SHOW ANSWER AND EXPLANATION
107. Which of the following statements is correct for both blue-
green algae and bacteria?
(a) Both show anaerobic respiration.
(b) Both have chlorophyll pigment.
(c) Both are devoid of a true nucleus.
(d) None of the above
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108. A dolipore septum is a characteristic feature of
(a) Phycomycetes
(b) Ascomycetes
(c) Basidiomycetes
(d) Zygomycetes
SHOW ANSWER AND EXPLANATION
109. Which of the following statements is incorrect?
(a) TMV has a double-stranded RNA molecule.
(b) Most plant viruses are RNA viruses.
(c) The bacteriophage has double-stranded DNA.
(d) Most animal viruses are DNA viruses.
SHOW ANSWER AND EXPLANATION
110. Which one of the following combinations of characters is
correct for the given fungal group?
(a) Algal fungi: Coenocytic, cellulosic wall, zoospore, zygospore,
dikaryophase present
(b) Conjugating: Septate mycelium, chitinous cell wall, sporangiospores,
shorter (n + n) phase
(c) Sac fungi : Septate mycelium, Ascogonium, Crozier stage, meiospores
as ascospores, shorter dikaryophase
(d) Club fungi: Shorter primary mycelium stage, No sex organs, dominant
dikaryophase, zygosporic meiosis
SHOW ANSWER AND EXPLANATION
111. Which of the following statements is/are correct for
bacteria?
(a) They are the members of the kingdom monera.
(b) They live in extreme habitats such as hot springs, deserts, snow, and
deep oceans.
(c) They show the most extensive metabolic diversity.
(d) All of the above
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112. Find a set of edible basidiocarps.
(a) Agaricus, Pleurotus
(b) Agaricus, Morchella
(c) Volvariella, Tuber
(d) Amanita, Morchella
SHOW ANSWER AND EXPLANATION
113. Which of the following statements is a characteristic feature
of chrysophytes?
(a) They are parasitic forms that cause diseases in animals.
(b) They have a protein-rich layer called the pellicle.
(c) They have an indestructible cell wall layer deposited with silica.
(d) They are commonly called dinoflagellates.
SHOW ANSWER AND EXPLANATION
114. Read the statements carefully
a. Hartig net is the network of intracellular mycelium of Boletus
b. Ectomycorrhiza forms ten percent of total mycorrhiza
c. Fungal partner of endomycorrhiza belongs to zygomycetes or
Phycomycetes
(1) Only a & c are correct
(2) Only b & c are correct
(3) Only c is correct
(4) All are correct
SHOW ANSWER AND EXPLANATION
115. Which of the following statements is correct for
dinoflagellates flagella?
(a) A single flagellum lies in the transverse groove between the cell
plates.
(b) A single flagellum lies 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) Flagella are absent.
SHOW ANSWER AND EXPLANATION
116. A symptom not seen in plants due to viruses is
(1) Mosaic formation
(2) Leaf rolling and curling
(3) Yellowing, vein clearing
(4) Root-knot
SHOW ANSWER AND EXPLANATION
117. Choose the correct statements (i – v) regarding mycoplasma
(i) Mycoplasma has no cell wall.
(ii) Mycoplasma is the smallest living organism known.
(iii) Mycoplasma cannot survive without O2.
(iv) Mycoplasma is pathogenic in animals and plants.
(v) A sort of sexual reproduction occurs in a bacterium by
adopting a primitive DNA transfer from one bacterium to the
other.
(a) Only (iii)
(b) (i), (iii) and (v)
(c) (i), (ii), (iv), and (v)
(d) All of the above
SHOW ANSWER AND EXPLANATION
118. Viruses possess all the following properties, except
(a) They are non-cellular organisms
(b) Possess both DNA and RNA
(c) Capsid protects the nucleic acid
(d) Have inert crystalline structure outside living cells
SHOW ANSWER AND EXPLANATION
119. Read the given statements and answer the question. Identify
the correct class of fungi which have all the below-given
characteristics.
(i) It includes unicellular as well as multicellular fungi.
(ii) In multicellular forms, hyphae are branched and septate.
(iii) Conidiophore produces conidia (spores) exogenously in the
chain.
(iv) Sexual spores are ascospores produced endogenously in the
chain.
(v) Fruiting body is called ascocarp.
(a) Phycomycetes
(b) Sac fungi
(c) Club fungi
(d) Fungi imperfecti
SHOW ANSWER AND EXPLANATION
120. T. O. Diener discovered a new infectious agent that was
smaller than viruses and has the following characteristics:
(i) It causes potato spindle tuber disease.
(ii) It has free RNA.
(iii) Molecular weight of RNA is low.
Identify the infectious agent.
(a) Viruses
(b) Viroids
(c) Virion
(d) Mycoplasma
Question 1.
The two kingdom Classification was given by
(a) c.linnaeus
(b) john ray
(c) huxley
(d) whittaker
Answer
Question 2.
Choose the correct pair.
(a) Parasitic fungi – feeds on plants and animals
(b) Saprotrophic fungi – feeds on dead and decaying organic matter
(c) Symbiotic fungi – mycorrhiza
(d) All of the above are true
Answer
Question 3.
Which of the following is used in biochemical and genetic work?
(a) Claviceps
(b) Aspergillus
(c) Neurospora
(d) Mucor
Answer
Question 4.
If a scientist has to names a similar species he should study the
(a) Holotype
(b) syntype
(c) mesotype
(d) isotype
Answer
Question 5.
Which of the following is not a viral disease?
(a) AIDS
(b) Herpes
(c) Tuberculosis
(d) Smallpox
Answer
Question 6.
Choose the correct match.
(a) Photosynthetic autotrophs – Nutrient recycling
(b) Chemosynthetic autotrophs – Nitrogen fixation
(c) Heterotrophic bacteria – Production of antibiotics
(d) Mycoplasma – Production of curd
Answer
Question 7.
The scientist who created the group protista for both unicellular plants
and animals is
(a) haecke
(b) pasteur
(c) lister
(d) koch
Answer
Question 8.
Binomial nomenclature was given by
(a) huxley
(b) ray
(c) darwin
(d) linnaeus
Answer
Question 9.
Which of the following is an indicator of air pollution?
(a) Mycorrhiza
(b) Agaricus
(c) Lichens
(d) Common mushrooms
Answer
Question 10.
The natural system of Classification is based on
(a) morphology
(b) evolutionary trend
(c) anatomy
(d) all of the above
Answer
Question 11.
Potato spindle tuber disease is caused by
(a) Phycobionts
(b) Virus
(c) Bacteria
(d) Viroids
Answer
Question 12.
Quinine is obtained from
(a) Puccinia
(b) Neurospora
(c) Gonyaulax
(d) Cinchona
Answer
Question 13.
According to five-kingdom classification, which of the following does not
contain nuclear membrane?
(a) Protista
(b) Monera
(c) Fungi
(d) Animalia
Answer
Question 14.
Two organisms of the same class but different families will be kept under
the same
(a) genera
(b) species
(c) order
(d) family
Answer
Question 15.
Bacteria that live in hot springs are called
(a) Halophiles
(b) Thermoacidophiles
(c) Methanogens
(d) None of the above
Answer
Question 16.
Which amongst kingdom animalia has become recently extinct?
(a) snow leopard
(b) indian macaque
(c) cheetah
(d) tiger
Answer
Question 17.
Red tides in sea appear due to
(a) Euglena
(b) Chrysophytes
(c) Dinoflagellates
(d) Diatoms
Answer
Question 18.
The asexual spores are not found, vegetative reproduction occurs by
fragmentation and sexual organs are absent. Identify the class of fungi.
(a) Phycomycetes
(b) Ascomycetes
(c) Basidiomycetes
(d) Deuteromycetes
Answer
Question 19.
Match the columns:
1. Basidiomycetes – A. Agaricus
2. Ascomycetes – B. Albugo
3. Phycomycetes – C. Trichoderma
4. Deuteromycetes – D. Saccharomyces
(a) 1-D, 2-A, 3-B, 4-C
(b) 1-A, 2-D, 3-B, 4-C
(c) 1-A, 2-B, 3-D, 4-C
(d) 1-C, 2-D, 3-A, 4-B
Answer
Question 20.
Trypanosoma causes
(a) Dysentry
(b) Mumps
(c) Sleeping sickness
(d) Cholera
Answer
Question 1.
Sexual reproduction is by copulation of male and female followed by
embryological development is characteristic feature of
(a) Animalia
(b) Fungi
(c) Mucor
(d) Plantae
Answer
Question 2.
The blue-green algae are also referred as
(a) Cyanobacteria
(b) Eubacteria
(c) Archaebacteria
(d) Heterotrophic bacteria
Answer
Question 3.
Antibiotics cure disease by
(a) Competitive Inhibition
(b) Fighting with the disease causing organism
(c) Turning the pathogen out of the body
(d) Removing the pain
Answer
Question 4.
The organism that completely lack a cell wall and are smallest living cell
know, can survive without oxygen is
(a) Bacteriophages
(b) Yeast
(c) Mycoplasmas
(d) Virus
Answer
Question 5.
Naked cytoplasm, multinucleated and saprophytic are the characteristics of
(a) Monerans
(b) Slime moulds
(c) Fungi
(d) Protists
Answer
Question 6.
Wine turns sour because of
(a) Heat
(b) Aerobic bacteria
(c) Anaerobic bacteria
(d) Exposure to the light
Answer
Question 7.
Which among the following is not included in the three domains system?
(a) Bacteria Domain
(b) Archaea Domain
(c) Viral Domain
(d) Eukara Domain
Answer
Question 8.
Which one of the following is true for fungi?
(a) They are phagotrophs
(b) They lack a rigid cell wall
(c) They are heterotrophs
(d) They lack nuclear membrane
Answer
Question 9.
Which Archaebacteria is present in the guts of ruminant animals such as
cows and buffaloes?
(a) Speculums
(b) Methanogens
(c) Heterogens
(d) Holophiles
Answer
Question 10.
Which of the following is an exception of monera kingdom –
(a) Bacteria
(b) Virus
(c) Cyanobacteria
(d) Mycoplasma
Answer
Question 11.
Archegoniophore is present in:
(a) Marchantia
(b) Chara
(c) Adiantum
(d) Funaria
Answer
Question 12.
The main difference between Gram positive and gram negative resides in
the composition of:
(a) Cilia
(b) Cell-wall
(c) Cell-membrane
(d) Cytoplasm
Answer
Question 13.
Which of the following structure is not found in prokaryotic cells :
(a) Plasma membrane
(b) Ribosomes
(c) Nuclear membrane and membranous cell organelles
(d) Hereditary substance
Answer
Question 14.
Virus envelope is known as:
(a) Capsid
(b) Virion
(c) Nucleoprotein
(d) Core
Answer
Question 15.
Moneran phylogeny is best evidenced by sequence of nucleotides in RNA
of ribosomes. On the basis of this information, the most primitive monerans
are :-
(a) Archaebacteria
(b) Eubacteria
(c) Filamentour bacteria
(d) Cyanobacteria
Answer
Question 16.
In eubacteria, a cellular component that resembles eukaryotic cells is:
(a) Plasma membrane
(b) Nucleus
(c) Ribosomes
(d) Cell wall
Answer
Question 17.
Archaebacteria differ from eubacteria in:
(a) Cell membrane
(b) Mode of nutrition
(c) Cell shape
(d) Mode of reproduction
Answer
Question 18.
One of the major components of cell wall of most fungi is:
(a) Chitin
(b) Peptidoglycan
(c) Cellulose
(d) Hemicellulose
Answer
Question 19.
Nuclear membrane is absent in
(a) Fungi
(b) Protista
(c) Plantae
(d) Monera
Answer
Question 20.
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.
Answer
Question 21.
Which of the following organisms were placed together under algae?
(a) Chlorella and Chlamydomonas
(b) Spirogyra and Chlamydomonas
(c) Spirogyra and Chlorella
(d) All of the above
Answer
Question 22.
Genetic material for retrovirus is
(a) Nucleoprotein complex
(b) RNA
(c) Both DNA and RNA
(d) DNA
Answer
Question 23.
Which one of the following fixes CO2 in to carbohydrates
(a) Rhizobium
(b) Nitrobactor
(c) Bacillus
(d) Rhodospirillum
Answer
Question 24.
Satellite RNAs are present in some
(a) Plant viruses
(b) Viroids
(c) Prions
(d) Bacteriophages
Answer
Question 25.
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
Answer
Question 26.
Which of the following lacks peptidoglycan in their cell walls:
(a) Halophile bacteria
(b) Methanogen bacteria
(c) Thermoacidophilic bacteria
(d) All the above
Answer
Question 27.
Mesosomes are found in:
(a) Fungi
(b) Virus
(c) Mycoplasma
(d) Bacteria
Answer
Question 28.
The organism that completely lack a cell wall and are smallest living cell
known that can survive without oxygen is
(a) Virus
(b) Bacteriophages
(c) Yeast
(d) Mycoplasma
Answer
Question 29.
Which one of the following organisms is not an example of eukaryotic
cells?
(a) Paramecium caudatum
(b) Escherichia coli
(c) Euglena viridis
(d) Amoeba proteus
Answer
Question 30.
Which one of the following is not a biofertilizer?
(a) Agrobacterium
(b) Rhizobium
(c) Nostoc
(d) Mycorrhiza
Answer
Question 31.
Who is called as “Father of taxonomy”
(a) Hooker
(b) Theophrastus
(c) Aristotle
(d) Linnaeus
Answer
Question 32.
Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included
in the kingdom
(a) Monera
(b) Protista
(c) Fungi
(d) Animalia
Answer
