Biodiversity And Conservation

Biology
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The three top most major crops of the world in terms of major staple food are?

A
Maize > Rice >Wheat
B
Rice > Wheat > Maize
C
Wheat > Maize > Rice
D
Rice > Maize >Wheat
Hard
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Co-varieties of sugarcane obtained red rot resistance from

A
Saccharum munja
B
S. spontaneum
C
S. arundinaceum
D
S. edula
Hard
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Dwarf variety of wheat was developed by

A
M.S. Swaminathan
B
Vavilov
C
Borlaug
D
Both A and C
Hard
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Cryopreservation is carried out at

A
-10 to -20C
B
-50 to -60C
C
-196C
D
-100C
Hard
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Find the most appropriate solution.

Gene banks comprise of

A
Seed banks, orchards, tissue culture and cryopreservation
B
Seed banks, tissue culture and cryopreservation
C
Seed banks and cryopreservation
D
Tissue culture and cryopreservation
Hard
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Orthodox seeds can be preserved for long periods at a temperature of

A
-196C
B
-10 to -20C
C
0 to - 4C
D
10 to 15C
Hard
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'Vavilov mega diversity centre' is in

A
Australia
B
Siberia
C
Andamans
D
Tibet
Hard
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Which one will be searched for obtaining maximum genetic diversity?

A
Recent varieties
B
Old varieties
C
Wild relatives
D
All of the above
Hard
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Greatest genetic diversity of plants is found in

A
Central America
B
Homelands
C
South America
D
India
Hard
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Dwarfing gene of wheat is ?

A
Pal - 1
B
Atomita - 1
C
Norin - 10
D
Pelita - 2
Hard
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