Q.1
What is true for slime moulds?
  • a) Parasitic, plasmodium with true wall, spores are dispersed by air currents.
  • b) Saprophytic, plasmodium without walls, spores dispersed by water.
  • c) Saprophytic, plasmodium without walls, spores dispersed by air currents.
  • d) Parasitic, plasmodium without true walls, spores dispersed by water currents.
Q.2
Fungi are always:
  • a) Heterotrophs.
  • b) Saprophytes.
  • c) Parasites
  • d) Autotrophs.
Q.3
Viroids differ from viruses in:
  • a) Satellite RNA packed with viral genome
  • b) Naked DNA molecules.
  • c) Naked RNA molecules only.
  • d) Naked DNA packaged with viral genome.
Q.4
Which of the following cannot be grown on artificial culture medium?
  • a) E.coli.
  • b) TMV
  • c) Aspergillus
  • d) Saccharomyces.
Q.5
Lichens are described as best indicators of:
  • a) Soil pollution.
  • b) Air pollution.
  • c) Water pollution
  • d) Agricultural productivity.
Q.6
Peptidoglycan is characteristic constituent of cell wall in:
  • a) Archaebacteria and Eukaryotes.
  • b) Eubacteria and unicellular eukaryotes
  • c) Bacteria and cyanobacteria
  • d) Monera and protista.
Q.7
Presence of two nuclei, micronucleus and macronucleus, is a characteristic of protistan group:
  • a) Sporozoans.
  • b) Ciliata.
  • c) Flagellata
  • d) Sarcodina.
Q.8
Protistan protozoans having nuclear dimorphism is:
  • a) Amoeba proteus.
  • b) Paramoecium caudatum.
  • c) Plasmodium vivax.
  • d) Trypanosoma gambiense.
Q.9
Virus are no more ‘alive’ as isolated chromosomes because:
  • a) They require both RNA and DNA.
  • b) They both need food molecules.
  • c) They both require oxygen for respiration.
  • d) Both require the environment of a cell to replicate
Q.10
Which of the following is wrongly matched:
  • a) T.O. Diener – Viroids are found to be free DNA.
  • b) W.M Stanley – Crystallised proteins.
  • c) M.W Beijerinek – Contagium Vivum fluidum.
  • d) D.J. Ivanowsky – Microbes smaller than bacteria cause mosaic disease of tobacco.
Q.11
Which is correct about cell wall of bacteria and fungi?
  • a) Both have glycopeptides.
  • b) Both have N-acetyl glucosamine.
  • c) Both have N-acetyl glucosamine and cellulose.
  • d) Both have chitin.
Q.12
Morels and truffles are group of fungi classified under:
  • a) Phycomycetes.
  • b) Deuteromycetes.
  • c) Basidiomycetes.
  • d) Ascomycetes.
Q.13
Which one of the following would appear as the pioneer organisms on bare rocks?
  • a) Mosses.
  • b) Green algae.
  • c) Lichens
  • d) Liverworts.
Q.14
Peptidoglycan is not found in the cell wall of:
  • a) Cyanobacteria.
  • b) Eubacteria.
  • c) Archaebacteria.
  • d) Both (B) and (C).
Q.15
Photosynthetic blue green algae is:
  • a) Oxygenic.
  • b) Anoxygenic.
  • c) Both oxygenic and anoxygenic.
  • d) None of these.
Q.16
Conjugation was first discovered in:
  • a) Salmonella.
  • b) Streptococcus.
  • c) Bacillus subtilis.
  • d) E.coli.
Q.17
Oils and leucosin are characteristic stored food in:
  • a) Dinoflagellates.
  • b) Euglenoids.
  • c) Diatoms.
  • d) Slime mould.
Q.18
Auxospores are formed by:
  • a) Diatoms.
  • b) Euglenoids.
  • c) Dinoflagellates.
  • d) Slime mould.
Q.19
Identify the most appropriate difference in Puccinia from Claviceps.
  • a) Parasitic on plants.
  • b) Does not produce any asexual spores.
  • c) Completing life cycle only in one host.
  • d) Vegetative reproduction absent.
Q.20
Assertion: In ascomycetes and Basidiomycetes well distinct dikaryotic phase present during sexual life. Reason: During sexual reproduction of ascomycetes and Basidiomycetes plasmogamy is immediately followed by Karyogamy.
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
  • c) Assertion is true but Reason is false.
  • d) Both Assertion and Reason are false.
Q.21
In Euglenoids, stored food is Paramylon which is a:
  • a) Conversion product of acids.
  • b) Conversion product of starch.
  • c) A type of lipid.
  • d) A type of protein.
Q.22
Multinucleated Acellular slime moulds are:
  • a) Haploid.
  • b) Diploid.
  • c) Tetraploid.
  • d) Polyploid.
Q.23
Which of the following eukaryotes are devoid of histone proteins?
  • a) Golden algae.
  • b) Euglenoids.
  • c) Fire algae.
  • d) Slime mould.
Q.24
A fungus completing its life cycle on a single host is known as:
  • a) Homothallic.
  • b) Autoecious.
  • c) Heterocious.
  • d) Heterothallic.
Q.25
A lichen having much branched system of cylindrical or ribbon like branches but a small thallus is called as:
  • a) Foliose lichen.
  • b) Fruticose lichen.
  • c) Crustose lichen.
  • d) None of these.
Q.26
In fungi, mycelium breaks into fragments of hyphae and each broken fragment give rise to a new mycelium. Which of the following explains this process?
  • a) Fragmentation.
  • b) Budding.
  • c) Plasmogamy.
  • d) Karyogamy.
Q.27
Stored food in fungi:
  • a) Fat.
  • b) Proteins.
  • c) Glycogen.
  • d) Chitin.
Q.28
Identify the following fungi which possess Septate and branched hyphae:
  • a) Alternaria, Agaricus, Albugo.
  • b) Rhizopus, Penicillium, Trichoderma.
  • c) Ustilago, Colletotrichum, Mucor.
  • d) Aspergillus, Puccinia, Lycoperdon
Q.29
Herpes viruses and influenza viruses are respectively:
  • a) ss DNA virus and ss RNA virus.
  • b) ds DNA virus and ss DNA virus.
  • c) ss RNA virus and ds DNA virus.
  • d) ds RNA virus and ds DNA virus.
Q.30
Find out the mis-matching series on the basis of mode of nutrition: (a) Plasmodium vivax, Penicillium, Slime mould, Anabaena. (b) Mycoplasma, Diatom, Saccharomyces, Mucor. (c) Bacteriophage, Albugo, Cuscuta, Trypanosoma. (d) Desmids, Nostoc, Chlorella, Anabaena.
  • a) (a) and (b).
  • b) (a) and (d).
  • c) (b) and (c).
  • d) (c) and (d).
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