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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