Seed Science MCQs-19 Posted on March 11, 2026March 12, 2026Author agropublishers 0 Table of Contents Toggle Seed Science MCQs-19 Multiple Choice Questions (MCQs)Seed Science MCQs-19 Seed Science MCQs-19 Multiple Choice Questions (MCQs) 1. The embryonic shoot is known as ________ Radicle Cotyledon Plumule Epicotyl 2. The most damaging ROS to cellular components is _______ Hydrogen peroxide Hydroxyl radical Superoxide anion Singlet oxygen 3. In a breeding program, researchers integrate metabolomics with classical germination tests. What unique insight can seed metabolomics provide for improving seed vigor that traditional tests alone cannot? A direct measure of field emergence rate without sowing seeds Identification of chromosomal translocations using microscopy Exact prediction of final yield regardless of environment Profiles of small molecules associated with vigor that can act as biochemical markers 4. _____________________ are the primary hydrophilic seed constituents, involved in imbibition Lipids Proteins and polysaccharides Pigments Nucleic acids 5. Dormancy is an adaptation to _______ Increase respiration Enhance seed size Improve storage life Delay germination until favorable conditions 6. Membrane deterioration primarily causes __________ Increased protein synthesis Loss of selective permeability Increased photosynthesis Reduced respiration 7. Genomic selection is a breeding strategy that uses ______ Whole genome markers Phenotypic traits Seed color Seed morphology 8. Reactive oxygen species responsible for seed aging include __________ Superoxide radicals All of these Hydroxyl radicals Hydrogen peroxide 9. During seed aging the earliest detectable damage occurs in ________ Membranes Proteins Lipids DNA 10. Cryopreservation is the process of preserving biological materials (cells, tissues, or organs) by cooling them to extremely low temperatures using_______ Liquid nitrogen Refrigeration Ice Dry and chilled air Loading … Question 1 of 10 Seed Science MCQs-19