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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

Many groups of insects have developed resistance to DDT and other insecticides as a result of____________________?
A Crossing over
B Polyploidy
C Segregation
D Gene mutation
Correct Answer: Polyploidy
Suppose that out of 1000 offspring’s in the generation of a dithered cross, 748 are tall and hairy, 6 are tall and smooth, 4 are short and hairy and 242 are short and smooth. what is the explanation for this kind of ratio ?
A Linkage and crossing over
B Presence of multiple alleles
C Presence of lethal genes
D Sex-linkage
Correct Answer: Linkage and crossing over
A species or type of a plant derived from doubling the chromosome of the F1 hybrid of two known species is known as__________________?
A Autodiploid
B Hexaploid
C Autopolyploid
D Amphidiploid
Correct Answer: Amphidiploid
One of the following is not a technique in hybridization_________________?
A Bagging
B Inter over crossing
C Intraspecific crossing
D Inosculation
Correct Answer: Inosculation
One of the following is not an advantage of genetic engineering___________________?
A Microbes act as biological factories
B Improvement of crop can take place
C The gene pool is maintained
D Genetic error can be rectified
Correct Answer: The gene pool is maintained
Number of lindage groups of chromosomes____________________?
A Diploid number of chromosomes
B Tetraploid number of chromosomes
C Haploid number of chromosomes
D None of the above
Correct Answer: Haploid number of chromosomes
When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________?
A Albinism is dominant over green characters
B Green plastids of male parent become nitrated
C Plastids are inherited through maternal parents
D Crossing over results in structural changes in green plastids
Correct Answer: Plastids are inherited through maternal parents
One of the persons whose evolutionary ideas were close to that of Laraarcd was____________________?
A Lysendo
B Vavilow
C Weismann
D H be vnes
Correct Answer: Lysendo
Organic evolution through large discontinuous variations was propound by__________________?
A Mendel
B Darwin
C Huge and Vnes
D Lamak
Correct Answer: Huge and Vnes
Evolution proceed on account of____________________?
A Conversion pf organism to change of environment
B Fossils
C Adaptations through genervation
D Struggle for existence
Correct Answer: Adaptations through genervation
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