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