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Plant Breeding and Genetics
The term useful heterosis was first used by _______?
Meredith and Bridge (1972)
Jenkins (1935)
Richey (1914)
Hull (1950)
Author:
rikazzz
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Plant Breeding and Genetics
When red tall plant is crossed with dwarf white plant all the plants of F, are found to be tall red. which of the following ratio will be available when a test cross is made _______?
1:2:3
3:1
1:1:1:1
1:2:1
Author:
rikazzz
Comment
Plant Breeding and Genetics
The experimental design which controls fertility variation in two directions in known as _______?
SPD
RBD
AD
LSD
Author:
rikazzz
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Plant Breeding and Genetics
The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is _______?
2 to 4
4 to 8
1 to 2
3 to 6
Author:
rikazzz
Comment
Plant Breeding and Genetics
Diagrammatic representation of the chromosomes of an organism arranged according to their size is called _______?
Ideogram
Karyotype
Gene map
Phenotype
Author:
rikazzz
Comment
Plant Breeding and Genetics
Split gene was first reported in _______?
Pea
Drosoplulla
Cluckens
All the above
Author:
rikazzz
Comment
Plant Breeding and Genetics
Development of embryo from egg cell without fertilization is known as _______?
Apospory
Parthenogenesis
Apogamy
Autogamy
Author:
rikazzz
Comment
Plant Breeding and Genetics
Artificial vegetative reproduction is done by _______?
Budding
Grafting
Layering
All the above
Author:
rikazzz
Comment
Plant Breeding and Genetics
Under drought conditions, there is an increase in _______?
Ethylene level
Pro line level
Abscisic acid
All the above
Author:
rikazzz
Comment
Plant Breeding and Genetics
An organism or cell having a chromosome number that is higher than the exact nultiple of the basic number is known as _______?
Allopolyploid
Hyperploid
Hypoploid
Autopolyploid
Author:
rikazzz
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