Plant Breeding and Genetics MCQs

83 MCQs  — Agriculture MCQs  (Page 5 of 9)

Attempt Plant Breeding and Genetics Quiz
The term homeostasis was coined by_____________________?
A. Lemer (1954)
B. Jinks (1968)
C. Warner (1952)
D. Freeman (1971)
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Analysis of covanance permits estimation of_____________________?
A. Environmental covanance
B. Phenotypic covanance
C. Genotypic convanance
D. All the above
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Specific combining ability is primarily a function of___________________?
A. Dominance variance
B. Additive x dominance epistasis
C. Dominance x dominance epistasis
D. All the above
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Ratio of additive variance to phenotypic variance is called___________________?
A. Heritability (broad sense)
B. Heritability (narrow sense)
C. Co-heritability
D. Genetic gain
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In line x tester cross each male is crossed with____________________?
A. Different sets of females
B. Few females in a set
C. Same sets of females
D. All the above
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Biometrics for the study of quantitative genetics was provided by ___________________?
A. Fisher
B. Falconer
C. Mather
D. Hayman
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Various crosses made using a common tester are__________________?
A. Top crosses
B. Biparental cross
C. Double cross
D. Test cross
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Low magnitude of genotype x environmental interaction indicates__________________?
A. High buffering capacity
B. Stability
C. Low buffering capacity
D. Adaptability
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Split gene was first reported in___________________?
A. Drosoplulla
B. Pea
C. Cluckens
D. All the above
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In lucern, toxic substance is found in_____________________?
A. Saponin
B. Coumarin
C. Neurotoxin
D. All the above
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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