MCQ on Biometrical Genetics / Quantitative Genetics Part -33 For ARS NET / SRF Exams

 

1. Concept of classical selection index was given by

(i) Hanson and Johnson (1957)

(ii) Kempthorne and Nordskog (1959)

(iii) Smith (1936)

(iv) Dewey and Lu (1959)

2. Concept of general selection index was given by

(i) Hanson and Johnson (1957)

(ii) Kempthorne and Nordskog (1959)

(iii) Smith (1936)

(iv) Dewey and Lu (1959)

3. Concept of restricted selection index was proposed by

(i) Hanson and Johnson (1957)

(ii) Kempthorne and Nordskog (1959)

(iii) Smith (1936)

(iv) Dewey and Lu (1959)

4. General selection index is a modified form of

(i) Restricted selection index

(ii) Classical selection index

(iii) Both (i) and (ii)

(iv) None of these

5. Classical, general and restricted selection indices are based on

(i) Genotypic variance only

(ii) Phenotypic and genotypic variance

(iii) Covariance of the character involved in the index

(iv) Both (ii) and (iii)

6. Selection index which involves selection of on several characters simultaneously and discriminating the desirable genotypes from undesirable ones on the basis of their phenotypic performance is called as

(i) General selection index

(ii) Classical selection index

(iii) Restricted selection index

(iv) Analytical selection index