MCQs Plant Breeding and Genetics-46 Posted on 2025-11-16Author admin 0 1. Dolly, the first mammal cloned from an adult somatic cell, was produced in _________ 1996 1990 1993 2000 2. Deleterious mutations are _______________ Always immediately expressed and eliminate the carrier Harmful genetic variations that reduce an individual’s fitness The source of all evolutionary adaptation Always dominant in their expression 3. Canola is primarily a member of the plant family __________ Asteraceae Fabaceae Brassicaceae Solanaceae 4. Inbreeding depression is primarily caused by __________ Gene flow Overdominance Accumulation of deleterious recessive alleles Increased heterozygosity 5. The opposite of inbreeding depression is __________. Hybrid vigor Hybrid sterility Genetic drift Linebreeding 6. Domesticated tobacco, Nicotiana tabacum has a diploid chromosome number of 2n = ________ 38 42 40 48 7. Legumes are a rich source of ________ Carbohydrates Plant-based protein Healthy fats Plant-based fats 8. The primary center of origin for Pearl millet is____________ South America Southeast Asia Western Africa China 9. Linebreeding is a form of __________. Controlled inbreeding to retain desirable traits Outbreeding Random mating Mutation breeding 10. The first chemical mutagen was discovered by Auerbach & Robson in the year _________ 1916 1924 1935 1941 Loading …
