1. Which of the following biometrical techniques are known as mating design
(i) Triallel cross, quadriallel cross and generation means analysis
(ii) Diallel cross, partial diallel cross and line × tester cross analysis
(iii) Biparental cross, triple test cross (TTC) and generation means analysis
(iv) All of these
2. Widely used biometrical techniques for assessment of genetic variability
(i) Metroglyph analysis
(ii) Correlation and discriminant function analysis
(iii) D² statistics
(iv) Both (i) and (iii)
3. Which of the following biometrical techniques are used for selection of suitable parents for hybridization and superior cross for development of hybrids**
(i) Triallel cross, quadriallel cross and generation means analysis
(ii) Diallel cross, partial diallel cross and line × tester cross analysis
(iii) Biparental cross, triple test cross (TTC) and generation means analysis
(iv) All of these
4. Choose the correct statement**
(i) Yield is the primary objective in plant breeding programs
(ii) Yield has low heritability and direct selection not sufficiently effective hence biometrical techniques like correlation, path and discriminant function analysis are used
(iii) Quantitative traits are governed by many genes and their inheritance studies require statistical analysis
(iv) All of these
5. The degree of statistics in which mean is used for the measurement of all types of parameters is known as**
(i) First degree statistics
(ii) Second degree statistics
(iii) Third degree statistics
(iv) None of these
6. The degree of statistics in which variances and co-variances are used for the measurement of all types of parameters is known as**
(i) First degree statistics
(ii) Second degree statistics
(iii) Third degree statistics
(iv) None of these
7. The degree of statistics which includes complex interactions like kurtosis and skewness is known as**
(i) First degree statistics
(ii) Second degree statistics
(iii) Third degree statistics
(iv) None of these
8. Which of the following biometrical techniques are used for selection of suitable parents for hybridization and superior cross for development of hybrids**
(i) Triallel cross, quadriallel cross and generation means analysis
(ii) Diallel cross, partial diallel cross and line × tester cross analysis
(iii) Biparental cross, triple test cross (TTC) and generation means analysis
(iv) All of these
9. Choose the correct statement**
(i) Yield is the primary objective in plant breeding programs
(ii) Yield has low heritability and direct selection not sufficiently effective hence biometrical techniques like correlation, path and discriminant function analysis are used
(iii) Quantitative traits are governed by many genes and their inheritance studies require statistical analysis
(iv) All of these
10. The degree of statistics in which mean is used for the measurement of all types of parameters is known as**
(i) First degree statistics
(ii) Second degree statistics
(iii) Third degree statistics
(iv) None of these
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