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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

If the haploid number of chromosomes in a plant is 12, then the number of chromosomes in monosmic is_________________?
A 12
B 24
C 22
D 23
Correct Answer: 23
In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?
A Dominant lethal genes in heterozygous individuals
B Dominant lethal genes in homozygous individuals
C Dominant epistasis
D None of the above
Correct Answer: Dominant lethal genes in homozygous individuals
The organic evolution look place about__________________?
A 100,000,000 years
B 200,000,000 ears
C 300,000,000 years
D Still occurring
Correct Answer: 200,000,000 ears
Which of the following had great influence on Drawing during during formulation of his theory of natural selection_________________?
A Lamark’s idea on inheritance of acquired character’s
B Mathis’s essay on population
C Mendes’s experiment on pea
D De Vries theory of mutation
Correct Answer: De Vries theory of mutation
Hereditary variations in plants have been produced by the use of________________?
A DDT
B X-rays
C Gibberrellic acid
D Auxins
Correct Answer: Gibberrellic acid
Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________?
A Recessive
B Incomplete dominant
C Mutant
D Dominant
Correct Answer: Incomplete dominant
haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________?
A There are many alleles of each gene in each call
B There are two alleles of each gene in each cell
C There is only one alleles of each gene present in each cell
D Non3e4 of the above
Correct Answer: There is only one alleles of each gene present in each cell
After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?
A Heterogeneous
B Heterozygous
C Homogenous
D Homozygous
Correct Answer: Heterozygous
Epitasis implies_____________________?
A One gene pair enhances phenotype expression of another gene pair
B Many gene together control a parucular phenotype
C One pair of gene can completely mask the expression of another gene pair
D One gene pair independently controls a phenotype
Correct Answer: One pair of gene can completely mask the expression of another gene pair
Who gave the principle that man tends to multiply faster than food supply________________?
A Mathis
B Mendel
C Darwin
D Haldane
Correct Answer: Mathis
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