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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