311.
The causative agent of mad-cow disease is a
A
Prion
B
Worm
C
Bacterium
D
Virus
Answer :
Prion
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312.
Bacteria which utilize inorganic compounds as a source of electron (Hydrogen) are called
A
Photo organotrops
B
Photo lithotrops
C
Phototrophs
D
Chemotrops
Answer :
Photo lithotrops
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313.
In Amoeba which controls the cytoplasmic osmality
A
Nucleus
B
Ectoplasm
C
Biurets
D
Contractile vacuole
Answer :
Contractile vacuole
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314.
The fungus without mycelium is
A
Phytophota
B
Rhizopus
C
Saccharomyces
D
Microsporum
Answer :
Saccharomyces
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315.
TMV contains
A
Single stranded RNA
B
D.S. - RNA
C
D.S. - DNA
D
S.S. - DNA
Answer :
Single stranded RNA
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316.
The infective nature of tobacco mosaic disease was discovered by
A
Ivanowsky
B
Mayer
C
Beijerinck
D
Stanley
Answer :
Mayer
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317.
Stanley got the noble prize for
A
Discovering virus
B
Crystallizing virus
C
Naming phages
D
Discovering antibiotic
Answer :
Crystallizing virus
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318.
Enzyme synthesis does not occur in
A
Fungi
B
Viruses
C
Mycoplasma
D
Bacteria
Answer :
Viruses
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319.
At what stage septa are formed in Albugo
A
At the time vegetative growth
B
At the time of haustorial formation
C
At the time of sexual & asexual reproduction
D
Never Formed
Answer :
At the time of sexual & asexual reproduction
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320.
Ecology of fresh water lake is called
A
Oceanography
B
Ethanobotany
C
Limnology
D
Lac culture
Answer :
Limnology
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