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 most damaging ROS to cellular components is _______ Hydroxyl radical Superoxide anion Hydrogen peroxide Singlet oxygen 2. 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? Exact prediction of final yield regardless of environment Profiles of small molecules associated with vigor that can act as biochemical markers Identification of chromosomal translocations using microscopy A direct measure of field emergence rate without sowing seeds 3. During seed aging the earliest detectable damage occurs in ________ Lipids Membranes Proteins DNA 4. The embryonic shoot is known as ________ Cotyledon Epicotyl Plumule Radicle 5. Genomic selection is a breeding strategy that uses ______ Seed color Phenotypic traits Seed morphology Whole genome markers 6. Cryopreservation is the process of preserving biological materials (cells, tissues, or organs) by cooling them to extremely low temperatures using_______ Dry and chilled air Refrigeration Liquid nitrogen Ice 7. Membrane deterioration primarily causes __________ Loss of selective permeability Increased protein synthesis Increased photosynthesis Reduced respiration 8. _____________________ are the primary hydrophilic seed constituents, involved in imbibition Proteins and polysaccharides Lipids Pigments Nucleic acids 9. Dormancy is an adaptation to _______ Improve storage life Delay germination until favorable conditions Enhance seed size Increase respiration 10. Reactive oxygen species responsible for seed aging include __________ Superoxide radicals Hydrogen peroxide Hydroxyl radicals All of these Loading … Question 1 of 10 Seed Science MCQs-19