1. **The ratio of the standard deviation of the effect due to a given cause to the total standard deviation of the effect is called as**
(i) Diallel cross analysis
(ii) Discriminant function analysis
(iii) Path coefficient analysis
(iv) Partial diallel analysis
2. **Simple path can be estimated from**
(i) Unreplicated data only
(ii) Replicated data only
(iii) Both (i) and (ii)
(iv) None of these
3. **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
4. **Path analysis which is based on phenotypic correlation coefficients is called as**
(i) Phenotypic path
(ii) Genotypic path
(iii) Environmental path
(iv) Simple path
5. **Path analysis which is based on genotypic correlation coefficients is called as**
(i) Phenotypic path
(ii) Genotypic path
(iii) Environmental path
(iv) Simple path
6. **Path analysis which is based on environmental correlation coefficients is called as**
(i) Phenotypic path
(ii) Genotypic path
(iii) Environmental path
(iv) Simple path
7. **Straight effect of independent characters on the dependent character is known as**
(i) Simple path
(ii) Indirect effect
(iii) Direct effect
(iv) Causal effect
8. **Effect of independent characters on the dependent character is known as**
(i) Direct effect
(ii) Residual effect
(iii) Indirect effect
(iv) Causal effect
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