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Agriculture Mcqs 7387 MCQs [All-Courses]

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Agriculture MCQs cover fundamental and applied concepts related to farming, crop production, soil science, irrigation, fertilizers, plant breeding, pests, and agricultural economics. This topic is designed to strengthen conceptual understanding and problem-solving skills through objective questions. It is especially useful for competitive exams such as PPSC, FPSC, KPPSC, BPSC, NTS, OTS, and other testing services, helping candidates prepare with exam-oriented and up-to-date agricultural knowledge.

All Topics  7387

Ratio of genotypic covariance to the phenotypic covariance is____________________?
A Heritability (b.s)
B Genetic gain
C Co-heritability
D Genetic advance
Correct Answer: Co-heritability
Estimation of correlation form error variances and covariance’s is________________?
A Genotypic correlation
B Phenotypic correlation
C Simple correlation
D Environmental correlation
Correct Answer: Genotypic correlation
In half diallel, total crosses among parents are equal to___________________?
A P (P-1)/2
B P (P-1)
C P (P+1)/2
D P2
Correct Answer: P (P+1)/2
Concept of combining ability as measure of gene action was first proposed by___________________?
A Sprague and Tatum (1942)
B Cavalli (1952)
C Mather (1956)
D Wright (1951)
Correct Answer: Sprague and Tatum (1942)
Who coined the term genetic flexibility and phenotypic flexibility___________________?
A Hardy (1908)
B Thoday (1953)
C Salisbury (1940)
D Muller (1950)
Correct Answer: Thoday (1953)
High values of genetic advance are indicative of____________________?
A Dominance gene action
B Additive gene action
C non-additive gene action
D Partial dominance gene action
Correct Answer: Partial dominance gene action
Pure line theory was developed by_______________?
A Thoday (1960)
B Mather (1951)
C Allard (1957)
D Johannsen (1903)
Correct Answer: Johannsen (1903)
Discriminant function of plant selection was suggested by____________________?
A Smith (1936)
B Yates (1947)
C Griffing (1956)
D Kempt Horne (1957)
Correct Answer: Smith (1936)
The term micro and macro environment was given by___________________?
A Robinson (1948)
B Lemer (1954)
C Perkins (1971)
D Comstock and Moll (1963)
Correct Answer: Comstock and Moll (1963)
Concept of triple test cross of analysis was developed by____________________?
A Kearsey and Jinks (1960)
B Mather (1949)
C Anderson (1957)
D Fisher (1960)
Correct Answer: Kearsey and Jinks (1960)
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