MCQs Plant Breeding and Genetics-41 Posted on 2025-11-03Author admin 0 1. The term “epigenetics” was first coined in the 1940s by ________ Robin Holliday Barbara McClintock Conrad H. Waddington Arthur Riggs 2. The quantity of seed that is physically and uniquely identifiable is called a _____ Seed lot Submitted sample Composite sample Working sample 3. The process of mechanically scratching the seed coat to improve water absorption is called ___________ Scarification Stratification After-ripening Dormancy 4. The practice of farming that aims to maintain and enhance soil health, manage water resources efficiently, and reduce pollution is called _________ Subsistence farming Conventional farming Sustainable agriculture Intensive farming 5. Energy source/s for the Calvin Cycle include _________________ Glucose Light None of these ATP and NADPH Oxygen 6. The accumulation of Reactive Oxygen Species is a common consequence of both abiotic and biotic stresses, leading to ___________ Reduced transpiration Increased photosynthesis Oxidative damage to cellular components Nutrient absorption 7. The primary objective of the International Seed Federation Trade Rules is ______________ Harmonize international seed certification and trade standards Establish uniform global planting practices Regulate global agricultural subsidies Implement worldwide pesticide regulations 8. Cultivated tobacco (Nicotiana tabacum) has 2n = _________ chromosomes 32 48 36 42 9. To ensure varietal purity and compliance with standards, at which key stages of a seed crop’s life cycle are field inspections typically conducted by a Seed Certification Officer? Only at the final, pre-harvest stage Exclusively during the early vegetative phase At various critical growth stages Just before the seed is packaged for sale 10. The Svalbard Global Seed Vault is located in __________ Norway Finland Sweden Denmark Loading …
