Stadler, first used X-rays for induction of mutation in_________________?
A. Oat
B. Maize
C. Wheat
D. Barley
Agriculture Mcqs
In primary trisomic the extra chromosome is__________________?
In primary trisomic the extra chromosome is__________________?
A. Isochromosome
B. Traits located chromosome
C. Normal chromosome
D. None of the above
The change in chromosome number which involves the entire set of genome is known as______________?
The change in chromosome number which involves the entire set of genome is known as______________?
A. Anenploidy
B. Euploidy
C. Trisomy
D. all the above
A nullisomic individual is represented by________________?
A nullisomic individual is represented by________________?
A. 2n-1
B. 2n+1
C. 2n-2
D. 2n+2
Colchicum () is extracted from__________________?
Colchicum () is extracted from__________________?
A. Seed
B. Bulb
C. Fruit
D. Flower
Out breeding leads to reproduction in____________________?
Out breeding leads to reproduction in____________________?
A. Heterozygosity
B. Homozygosity
C. Population mean
D. None of the above
Heterosis can be fixed by___________________?
Heterosis can be fixed by___________________?
A. Apomixis
B. Polyploidy
C. Asexual reproduction
D. All the above
Heterosis can be fully exploited in the form of_____________________?
Heterosis can be fully exploited in the form of_____________________?
A. Composites
B. Hybrids
C. Multi lines
D. Synthetics
Top cross was first suggested by__________________?
Top cross was first suggested by__________________?
A. Simmonds (1979)
B. East (1908)
C. Davenport (1908)
D. Davis (1927)
The term useful heterosis was first used by__________________?
The term useful heterosis was first used by__________________?
A. Meredith and Bridge (1972)
B. Richey (1914)
C. Jenkins (1935)
D. Hull (1950)