MCQ on Biometrical Genetics / Quantitative Genetics Part -2 For ARS NET / SRF Exams



1) The science that deals with the application of statistical concepts and procedures to the study of biological problems is known as

(i) Biometrics

(ii) Biometry,

(iii) Biostatistics

(iv) All of these


2) The branch of genetics which attempts to explain the inheritance of quantitative characters using statistical concepts and procedures is called as

(i) Population genetics

(ii) Biometrical genetics

(iii) Mendelian genetics

(iv) All of these


3) Statistical concepts and procedures used in biometrical genetics is known as

(i) Population genetics

(ii) Statistical genetic or Mathematical genetics

(iii) Mendelian genetics

(iv) Both (i) and (ii)


4. Study of frequency of genes and genotypes in Mendelian population is called as

(i) Population genetics

(ii) Statistical genetics

(iii) Biometrical genetics

(iv) Mathematical genetics


5. Analysis of Mendelian genetics is based on

(i) Variances and covariances

(ii) Frequencies

(iii) Segregation ratios

(iv) Both (ii) and (iii)


6. Branch of genetics which deals with inheritance of quantitative characters

(i) Population genetics

(ii) Quantitative genetics

(iii) Mendelian genetics

(iv) Both (ii) and (iii)


7. Analysis of quantitative genetics is based on

(i) Variances and covariances

(ii) Frequencies and segregation ratios

(iii) Mean

(iv) Both (i) and (iii)


8. Foundation or initial frame of quantitative genetics was established by

(i) Sir Francis Galton (1888)

(ii) Wright (1922)

(iii) R. A. Fisher (1918)

(iv) Karl Pearson (1902)


9. The branch of genetics which helps to study the polygenic variation and separation of non-heritable variation from heritable variation is known as

(i) Population genetics

(ii) Quantitative genetics

(iii) Both (i) and (ii)

(iv) None of these


10. Biometrical techniques which are used for assessment of polygenic variation

(i) Range and mean

(ii) Standard deviation and variance

(iii) Standard error and coefficient of variation

(iv) All of these

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