11.
Which is not a character of good fire wood
A
Highly combustible
B
Soft wood
C
Non resinoces and non smoky
D
High caloric value
Answer :
Soft wood
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12.
What is mode of bacterial resistance against antibiotics
A
Development of thick mucilagrens layer
B
Alteration of cell membrane
C
Mutation in bacteria
D
All of the above
Answer :
All of the above
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13.
Vitamin B12 is formed during fermentation
A
Ashloya gassipii
B
Rhizopus stalonifer
C
Propionibacteria
D
Saccharomyces cervisieve
Answer :
Propionibacteria
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14.
Golden rice is a transgenic crop of the future with the following improved trait:
A
insect resistance
B
high lysine (essential amino acid) content
C
high protein content
D
high vitamin-$$A$$ content
Answer :
high vitamin-$$A$$ content
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15.
Important objective of biotechnology in riculture section is
A
To produce pest resistant varieties of plants
B
To increase the nitrogen contant
C
To decrease the seed number
D
To increase the plant weight
Answer :
To produce pest resistant varieties of plants
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16.
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:
A
Acidic pH of the insect gut
B
Action of gut micro-organisms
C
Presence of conversion factors in insect gut
D
Alkaline pH of the insect gut
Answer :
Alkaline pH of the insect gut
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17.
Recombinant DNA Tecnology prepared vaccine is called
A
First generation vaccine
B
Second generation vaccine
C
Third generation vaccine
D
Synthesized vaccine
Answer :
Second generation vaccine
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18.
The name of Norman Borlaug is associated with:
A
white revolution
B
green revolution
C
yellow revolution
D
blue revolution
Answer :
green revolution
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19.
The first human hormone produced by recombinant DNA technology is:
A
Insulin
B
Estrogen
C
Thyroxin
D
Progesterone
Answer :
Insulin
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20.
Who is credited with identifying petrocrops
A
M.S. Swaminathan
B
M.Calvin
C
Rutaceae
D
N. Borlaug
Answer :
M.Calvin
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