661.
Bacteria responsible for nitrification comes under
A
Cocus
B
Vibrio
C
Bacillus
D
Spirilla
Answer :
Bacillus
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662.
Flagellum is attached to a bacterial cell with the help of
A
Basal hook
B
Basal body
C
Centrosome
D
None of the above
Answer :
Basal hook
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663.
How many type of spores are formed in life cycle of Puccinia
A
Four
B
Five
C
Three
D
Many
Answer :
Five
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664.
Little leaf disease of brinjal is caused by
A
Virus
B
Fungus
C
Mycoplasma
D
Algae
Answer :
Mycoplasma
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665.
Most common phycobiont in a lichen is
A
Microcystis
B
Trebouxia
C
Ulothrix
D
Spirogyra
Answer :
Trebouxia
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666.
Which spreads the cysts of Entamoeba histolytica
A
Mosquito
B
Bedbug
C
Mouse
D
Housefly
Answer :
Housefly
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667.
Which of the following lack peptidoglycan in their cell walls
A
Halophiels bacteria
B
Methanogens bacteria
C
Thermoacidophilic bacteria
D
All of the above
Answer :
All of the above
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668.
Which is true about Amoeba
A
Negative response to dimlight
B
Positive response to heat applied lically
C
Negative response to gravity
D
Positive response to contact with solid object when Amoeba is flatting
Answer :
Positive response to contact with solid object when Amoeba is flatting
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669.
The prokaryotes differ from eukaryotes in
A
The presence of mesosomes
B
The presence of unit membrane bound organelles
C
The presence of 80s ribosomes in cytoplasm
D
The packing of DNA into histone & nuclear envelope
Answer :
The presence of mesosomes
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670.
Torula conditions occurs in
A
Mucor
B
Rhizopus
C
A and B both
D
Puccinia
Answer :
A and B both
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