Q.1
Viral envelope contains
  • a) lipids
  • b) proteins
  • c) carbohydrates
  • d) all of these
Q.2
Nuclear material in φ×174 is
  • a) ssDNA
  • b) dsDNA
  • c) ssRNA
  • d) dsRNA
Q.3
Which of these contain 2 nucleus one for vegetative purpose and the other for reproduction?
  • a) Euglena
  • b) Parmecium
  • c) Chlamydomonas
  • d) Spirogyra
Q.4
The photoautotrophic organisms that do not split water to obtain reducing power are
  • a) purple bacteria
  • b) cyanobacteria
  • c) green plants
  • d) none of these
Q.5
The fruiting bodies of Agaricus are also known as
  • a) cleistothecium
  • b) fairy rings
  • c) basidium
  • d) ascocarp
Q.6
A lichen that grows by branching is described as
  • a) fruticose
  • b) crustose
  • c) foliose
  • d) dichotose
Q.7
The characteristic features of the mycoplasma are that
  • a) they are much smaller than bacteria in size
  • b) they can be grown on cell free medium
  • c) they are highly pleomorphic and are bounded by a triple layered unit membrane
  • d) all of the above
Q.8
The rod shaped cells of Bacillus megatarium are converted to spherical units called protoplasts on treatment with the enzyme
  • a) lysozyme
  • b) cellulase
  • c) cellulase and hemicellulose
  • d) cellulase, hemicellulose and pectinase
Q.9
Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread 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, C and E only
  • b) A,D, and E only
  • c) B, D and E only
  • d) B, C, and F only
Q.10
What is common about Trypanosoma, Noctiluca, Monocystis and Giardia
  • a) These are all unicellular protists
  • b) They have flagella
  • c) They produce spores
  • d) These are all parasites
Q.11
The bacterium (Clostridium botulinum) that causes botulism is
  • a) a facultative anaerobe
  • b) an obligate anaerobe
  • c) a facultative aerobe
  • d) an obligate aerobe
Q.12
The thalloid body of a slime mould (Myxomycetes) is known as
  • a) protonema
  • b) plasmodium
  • c) fruiting body
  • d) mycelium
Q.13
Which one of the following statement about mycoplasma is wrong?
  • a) They are also called PPLO
  • b) They are pleomorphic
  • c) They are sensitive to penicillin
  • d) They cause disease in plants
Q.14
In the light of recent classification of living organisms into three domains of life( bacteria, archaea and eukarya), which one of the following statement is true about archaea?
  • 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
  • d) Archaea completely differ from prokaryotes
Q.15
Modern detergents contain enzyme preparations of
  • a) acidophiles
  • b) alkaliphiles
  • c) thermoacidophiles
  • d) thermophiles
Q.16
Consider the following measures (A-D) that could be taken to successfully grow chick pea in an area where bacterial blight disease is common
  • a) Spray with Bordeaux mixture
  • b) control of the insect vector of the disease pathogen
  • c) use of only disease-free seeds
  • d) use of verities resistant to disease
Q.17
The most abundant prokaryotes helpful to human in making curd from milk and in production of antibiotics are the one categorized as
  • a) cyanobacteria
  • b) archaebacteria
  • c) chemosynthetic autotrophs
  • d) heterotrophic bacteria
Q.18
Choose the false statement regarding amoeboid protozoans.
  • a) They move and capture food by putting out pseudopodia.
  • b) These organisms live in fresh water, sea water or moist soil.
  • c) Marine forms have calcium carbonate shells on their surface.
  • d) Some of them such as Entamoeba are parasites.
Q.19
The exogenous asexual spore is:
  • a) Zoospores.
  • b) Conidiospores.
  • c) Sporangiospores.
  • d) Aplanospores.
Q.20
How many of the following fungi has Septate and branched mycelium: Synchytrium, Saccharomyces, Agaricus, Alternaria, Aspergillus, Albugo, Mucor, Penicillium, Fusarium, Polyporus, Neurospora, Rhizopus, Claviceps, Puccinia, Ustilago, Colletotrichum, Helminthosporum, Pythium, Morchella, Lycoperdon, Amantia, Gibberella, Trichoderma, Phytophthora.
  • a) 15
  • b) 16
  • c) 18
  • d) 20
Q.21
The number of Ascospores usually developed in the ascus will be:
  • a) 2
  • b) 4
  • c) 8
  • d) 16
Q.22
Match the following types of ascocarps based on the shape of fruiting bodies:
a. Apothecium Flask shaped
b. Perithecium Closed type
c. Cleistothecium Cup shaped
  • a) a→1 ; b→2 ; c→3
  • b) a→2 ; b→1 ; c→3
  • c) a→1 ; b→3 ; c→2
  • d) a→3 ; b→1 ; c→2
Q.23
Which among the following is edible ascomycete?
  • a) Morels
  • b) Agaricus
  • c) Peziza
  • d) Amantia
Q.24
What is the true difference between zoospores and Aplanospores:
  • a) Zoospores are endogenous spores while Aplanospores are exogenous spores
  • b) Zoospores are exogenous spores while Aplanospores are endogenous spores
  • c) Zoospores are motile while Aplanospores are non-motile.
  • d) Zoospores are asexual spores while Aplanospores are sexual spores.
Q.25
Which of the following lichen appears branched giving bushy appearance?
  • a) Graphis
  • b) Parmelia
  • c) Usnea
  • d) Lobaria
Q.26
Match the following with the lichen and the disease for which they are effective.
Lichen Disease
a) Peltigera Whooping cough
b) Cladonia Tuberculosis
c) Certaria Hydrophobia
d) Lobaria Diabetes
  • a) a→3 ; b→1 ; c→4 ; d→2
  • b) a→1 ; b→2 ; c→3 ; d→4
  • c) a→1 ; b→3 ; c→4 ; d→2
  • d) a→3 ; b→4 ; c→2 ; d→1
Q.27
The genetic material of viruses that infect plants is:
  • a) ss RNA
  • b) ds RNA
  • c) ss DNA
  • d) ds DNA.
Q.28
Tobacco Mosaic Virus has Capsid arranged helically as........ Capsomeres. (
  • a) 1230
  • b) 3210
  • c) 2130
  • d) 2310.
Q.29
How many of the following belong to Kingdom Monera? Chlorella, Saccharomyces, Chlamydomonas, Pseudomonas, Nostoc, Paramoecium, Amoeba, Anabaena, Trypanosoma, Rhizopus, Capsella, Gonyaulux, Vibrio.
  • a) 5
  • b) 6
  • c) 4
  • d) 3
Q.30
Given below is the diagram of a virus. Identify the virus and label the parts 1,Choose the correct option:
unit-1_ch-4_que_no-160_img_no1.png
  • a) Tobacco Mosaic virus, 1 – RNA, 2 – Capsomeres.
  • b) Bacteriophage, 1 – DNA, 2 – Capsid.
  • c) Tobacco Mosaic virus, 1 – RNA, 2 – Capsid.
  • d) Bacteriophage, 1 – DNA, 2 – Capsomeres.
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