561.
Ganga water0 does not undergo decay due to the presence of
A
Minerals
B
Antibiotics
C
Algae
D
Phages
Answer :
Phages
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562.
The chief characteristic of class Ascomycetes is
A
Formation of spores
B
Hyphae
C
Formation of ascospores
D
Formation of zoospores
Answer :
Formation of ascospores
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563.
Bordeaux mixture is first fungicide, is discovered by
A
Millardet
B
De-berry
C
Mitchelli
D
Alexopolus
Answer :
Millardet
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564.
Microvillina and ectoplamic ridges in Amoeba
A
Increase surface area for absorption
B
Help in binay fission
C
Provide friction for locomotion
D
All of the above
Answer :
Provide friction for locomotion
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565.
Bacteria which synthesized Ribo flabvin or vit B2
A
E. Coli
B
Clostridium tetani
C
Corynebacterium
D
Clostridium butyliccum
Answer :
Clostridium butyliccum
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566.
Taxonomists feel difficulty is classification of
A
Procaryotes
B
Unicellular eucaryotes
C
Plants
D
Animals
Answer :
Unicellular eucaryotes
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567.
Bacteria uses maximum energy in
A
Mitosis
B
Meiosis
C
Fission
D
Adaption
Answer :
Fission
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568.
The prokaryotic structure credited for transfer of gene from one organism to another organism is
A
Rbosome
B
Mitochondria
C
Plasmid
D
Polysome
Answer :
Plasmid
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569.
Chicken pox is caused by
A
Bacteria
B
Bacteriophage
C
Varicella virus
D
Pox virus
Answer :
Varicella virus
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570.
In Amoeba amount of water increase by
A
By endoosmosis
B
At the time of ingestion of food
C
By matabolism reactions
D
All of the above
Answer :
All of the above
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