MULTIPLE CHOICE QUESTIONS
B.Sc Agriculture (Plant Breeding)
(For Competitive Examination)
Self pollinated species are also known as____________ species or inbreeders.
A Allogamous
B Cleistogamy
C Chasmogamy
D Autogamous
__________ has produced successful hybrids through artificial crosses.
Jhonson
A
Camerarius
B
Fairchild
C
____________ is a progeny of single self-pollinated
A
Female parent
B
Koelreuter
D
homozygous plant.
Pureline
C
Inbred
D
Hybrid
Plant breeding is a science and art and technology which deal with ____________improvement of crop
plants in relation to their economic use for mankind.
A
Yield
B
Production
C
Genetic
D
Good
_______________ method of breeding is not appropriate for cross pollinated crops.
A
Mass Selection
B
Back cross method
C
Heterosis breeding
D
Pure line selection
_____________ is an ancient method of crop improvement.
A
Selection
B
Introduction
C
Hybridization
D
Mutagenesis
___________is the oldest selection methods for crop improvement
A
Mass selection
B
Pure line selection
C Pedigree selection
D
Recurrent selection
____________ is a not a general breeding method
A
Introduction
B
Selection
C
Distant hybridization
D
Hybridization
_____________ Pollinated crops have homozygous balance and are tolerent to inbreeding.
A
Self
B
Cross
C
Often cross
D
Non of all
Variety developed by mass selection method is mixture of homozygous and heterozygous plants and
population is heterogeneous in __________________pollinated crop
A
Self
B
Cross
C
Often cross
D
None of these
_______breeding refers to selection procedure in which the segregating population of self pollinated
species is grown without selections.
A Hybridization
B Pedigree
C Bulk
D Back cross
The self progeny of F1 and the subsequent generations are termed as _______________generations.
Selfed
A
F2
B
segregating
C
Advance
D
_________ breeding method is generally used to improve specific character of a well adapted variety
A
Backcross
B
Pedigree
C
Bulk
D
Hybridization
D
hybrid or F1
Cross between two genetically different homozygote plants is __________
A
Progeny
B
Variety
C
Back cross
___________method does not provide opportunity to practice selection for superior plant till F5
generations.
A
Single seed descent method
B
Back cross method C
Heterosis
breeding
D
Pure line
selection
_____________method provides information about the mode of inheritance of various qualitative
characters which is not possible by other breeding methods.
A
Back cross
B
Pedigree
C
Hybridization
D
Mutagenesis
___________ is not a useful method for handling segregating populations
A
Pedigree breeding B
Bulk breeding
C Back cross breeding
D
Hybridization
____________ Parent is used only once in back cross breeding method
A
Recurrent
B
Female
C
Male
D
Donor
__________ method is most useful for study competitive ability of genotypes in population.
A
Mass Selection
B
Back Cross breeding
C
Hybridization
D
Non of all
D
Segregants
In pedigree breeding after F8 , homozygous plants are known as __________
A
Varieties
B
Strains
C
Genotypes