A. Pearl millet
B. Berseem
C. Lucem
D. Sorghum
Plant Breeding and Genetics
Erucic acid is found is…………………?
A. Safflower
B. Til
C. Soybean
D. Mustard
Jumping gene was first discovered in………………….?
A. Maize
B. Barley
C. Oenothera
D. Sorghum
Ratio of genotypic covariance to the phenotypic covariance is………………..?
A. Heritability (b.s)
B. Genetic gain
C. Co-heritability
D. Genetic advance
Estimation of correlation form error variances and covariance’s is…………….?
A. Genotypic correlation
B. Phenotypic correlation
C. Simple correlation
D. Environmental correlation
In half diallel, total crosses among parents are equal to……………….?
A. P (P-1)/2
B. P (P-1)
C. P (P+1)/2
D. P2
Concept of combining ability as measure of gene action was first proposed by……………….?
A. Sprague and Tatum (1942)
B. Cavalli (1952)
C. Mather (1956)
D. Wright (1951)
Who coined the term genetic flexibility and phenotypic flexibility……………….?
A. Hardy (1908)
B. Thoday (1953)
C. Salisbury (1940)
D. Muller (1950)
High values of genetic advance are indicative of………………..?
A. Dominance gene action
B. Additive gene action
C. non-additive gene action
D. Partial dominance gene action
Pure line theory was developed by……………?
A. Thoday (1960)
B. Mather (1951)
C. Allard (1957)
D. Johannsen (1903)