Who first used statistics to solve biological problems (measured the regression coefficient between the height of fathers and their sons):
A) Karl Pearson
B) Sir R. A. Fisher
C) Sir Francis Galton
D) Wright
Biometrical genetics is also known as:
A) Statistical genetics
B) Quantitative genetics
C) Mathematical genetics
D) All of these
Oligogenic variations are studied in:
A) Statistical genetics
B) Quantitative genetics
C) Mathematical genetics
D) Mendelian genetics
Quantitative genetics provides information about:
A) Variability and heritability
B) Combining ability and adaptation
C) Gene action and yield attributes
D) All of these
The estimates of quantitative genetics are influenced by:
A) Genetic material
B) Sample size and method of calculation
C) Sampling method and conduct of experiment
D) All of these
Classificatory techniques include:
A) Metroglyph analysis
B) Discriminant function analysis
C) D² statistics
D) Both (i) and (iii)
Biometrical technique which provides an estimation of combining ability:
A) Diallel cross, partial diallel cross, and line tester cross analysis
B) Triallel cross, quadriallel cross, and generation means analysis
C) Biparental cross, triple test cross (TTC), and generation means analysis
D) All of these
Which of the following biometrical techniques are known as mating designs:
A) Triallel cross, quadriallel cross, and generation means analysis
B) Diallel cross, partial diallel cross, and line x tester cross analysis
C) Biparental cross, triple test cross (TTC), and generation means analysis
D) All of these
Widely used biometrical techniques for assessment of genetic variability:
A) Metroglyph analysis
B) Correlation and discriminant function analysis
C) D² statistics
D) Both (i) and (iii)
Which of the following biometrical techniques are used for selecting suitable parents for hybridization and superior crosses for hybrid development:
A) Triallel cross, quadriallel cross, and generation means analysis
B) Diallel cross, partial diallel cross, and line x tester cross analysis
C) Biparental cross, triple test cross (TTC), and generation means analysis
D) All of these

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