Which of these contain 2 nucleus one for vegetative purpose and the other for reproduction?
0%
a) Euglena
17%
b) Parmecium
50%
c) Chlamydomonas
33%
d) Spirogyra
Q.4.
The photoautotrophic organisms that do not split water to obtain reducing power are
17%
a) purple bacteria
17%
b) cyanobacteria
50%
c) green plants
17%
d) none of these
Q.5.
The fruiting bodies of Agaricus are also known as
0%
a) cleistothecium
67%
b) fairy rings
17%
c) basidium
17%
d) ascocarp
Q.6.
A lichen that grows by branching is described as
40%
a) fruticose
20%
b) crustose
20%
c) foliose
20%
d) dichotose
Q.7.
The characteristic features of the mycoplasma are that
0%
a) they are much smaller than bacteria in size
33%
b) they can be grown on cell free medium
0%
c) they are highly pleomorphic and are bounded by a triple layered unit membrane
67%
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
0%
a) lysozyme
33%
b) cellulase
33%
c) cellulase and hemicellulose
33%
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
33%
a) A, C and E only
67%
b) A,D, and E only
0%
c) B, D and E only
0%
d) B, C, and F only
Q.10.
What is common about Trypanosoma, Noctiluca, Monocystis and Giardia
67%
a) These are all unicellular protists
0%
b) They have flagella
33%
c) They produce spores
0%
d) These are all parasites
Q.11.
The bacterium (Clostridium botulinum) that causes botulism is
25%
a) a facultative anaerobe
25%
b) an obligate anaerobe
50%
c) a facultative aerobe
0%
d) an obligate aerobe
Q.12.
The thalloid body of a slime mould (Myxomycetes) is known as
0%
a) protonema
33%
b) plasmodium
67%
c) fruiting body
0%
d) mycelium
Q.13.
Which one of the following statement about mycoplasma is wrong?
0%
a) They are also called PPLO
33%
b) They are pleomorphic
0%
c) They are sensitive to penicillin
67%
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?
67%
a) Archaea resemble eukarya in all respects
33%
b) Archaea have some novel features that are absent in other prokaryotes and eukaryotes
0%
c) Archaea completely differ from both prokaryotes and eukaryotes
0%
d) Archaea completely differ from prokaryotes
Q.15.
Modern detergents contain enzyme preparations of
33%
a) acidophiles
33%
b) alkaliphiles
33%
c) thermoacidophiles
0%
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
0%
a) Spray with Bordeaux mixture
67%
b) control of the insect vector of the disease pathogen
33%
c) use of only disease-free seeds
0%
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
67%
a) cyanobacteria
0%
b) archaebacteria
33%
c) chemosynthetic autotrophs
0%
d) heterotrophic bacteria
Q.18.
Choose the false statement regarding amoeboid protozoans.
0%
a) They move and capture food by putting out pseudopodia.
0%
b) These organisms live in fresh water, sea water or moist soil.
33%
c) Marine forms have calcium carbonate shells on their surface.
67%
d) Some of them such as Entamoeba are parasites.
Q.19.
The exogenous asexual spore is:
0%
a) Zoospores.
67%
b) Conidiospores.
33%
c) Sporangiospores.
0%
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.
67%
a) 15
33%
b) 16
0%
c) 18
0%
d) 20
Q.21.
The number of Ascospores usually developed in the ascus will be:
0%
a) 2
50%
b) 4
50%
c) 8
0%
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
100%
a) a→1 ; b→2 ; c→3
0%
b) a→2 ; b→1 ; c→3
0%
c) a→1 ; b→3 ; c→2
0%
d) a→3 ; b→1 ; c→2
Q.23.
Which among the following is edible ascomycete?
0%
a) Morels
50%
b) Agaricus
50%
c) Peziza
0%
d) Amantia
Q.24.
What is the true difference between zoospores and Aplanospores:
0%
a) Zoospores are endogenous spores while Aplanospores are exogenous spores
50%
b) Zoospores are exogenous spores while Aplanospores are endogenous spores
50%
c) Zoospores are motile while Aplanospores are non-motile.
0%
d) Zoospores are asexual spores while Aplanospores are sexual spores.
Q.25.
Which of the following lichen appears branched giving bushy appearance?
0%
a) Graphis
50%
b) Parmelia
0%
c) Usnea
50%
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
0%
a) a→3 ; b→1 ; c→4 ; d→2
50%
b) a→1 ; b→2 ; c→3 ; d→4
50%
c) a→1 ; b→3 ; c→4 ; d→2
0%
d) a→3 ; b→4 ; c→2 ; d→1
Q.27.
The genetic material of viruses that infect plants is:
0%
a) ss RNA
0%
b) ds RNA
100%
c) ss DNA
0%
d) ds DNA.
Q.28.
Tobacco Mosaic Virus has Capsid arranged helically as........ Capsomeres. (
0%
a) 1230
100%
b) 3210
0%
c) 2130
0%
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.
0%
a) 5
50%
b) 6
0%
c) 4
50%
d) 3
Q.30.
Given below is the diagram of a virus. Identify the virus and label the parts 1,Choose the correct option:
0%
a) Tobacco Mosaic virus, 1 – RNA, 2 – Capsomeres.
67%
b) Bacteriophage, 1 – DNA, 2 – Capsid.
0%
c) Tobacco Mosaic virus, 1 – RNA, 2 – Capsid.
33%
d) Bacteriophage, 1 – DNA, 2 – Capsomeres.
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