MCQ on Biometrical Genetics / Quantitative Genetics Part -24 For ARS NET / SRF Exams

 

**1.** In plant breeding and genetics, which order of partial correlations are commonly used

(i)  First order partial correlations

(ii)  Second order partial correlations

(iii)  Both (i) and (ii)

(iv)  None of these

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**2.** Correlation studies can be depicted by

(i)  Cluster diagram

(ii)  Scatter diagram

(iii)  Dendrogram

(iv)  None of these

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**3.** Genotypic correlation is

(i)  Highly stable

(ii)  Less stable

(iii)  Not stable

(iv)  None of these

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**4.** Phenotypic correlation is

(i)  Highly stable

(ii)  Less stable

(iii)  Not stable

(iv)  None of these

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**5.** Environmental correlation is

(i)  Highly stable

(ii)  Less stable

(iii)  Not stable

(iv)  None of these

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**6.** Correlation studies provide information about

(i)  Yield contributing character

(ii)  Selection of elite genotypes from diverse genetic populations

(iii)  Both (i) and (ii)

(iv)  None of these

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**7.** Simple correlation coefficient can be tested by

(i)  F test

(ii)  Z test

(iii)  T test

(iv)  χ² test

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**8.** Multiple correlation coefficient can be tested by

(i)  F test

(ii)  Z test

(iii)  T test

(iv)  χ² test