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. Reactive oxygen species responsible for seed aging include __________ Superoxide radicals Hydroxyl radicals Hydrogen peroxide All of these 2. Genomic selection is a breeding strategy that uses ______ Whole genome markers Seed morphology Phenotypic traits Seed color 3. Membrane deterioration primarily causes __________ Reduced respiration Increased protein synthesis Loss of selective permeability Increased photosynthesis 4. The most damaging ROS to cellular components is _______ Hydroxyl radical Superoxide anion Hydrogen peroxide Singlet oxygen 5. _____________________ are the primary hydrophilic seed constituents, involved in imbibition Lipids Proteins and polysaccharides Pigments Nucleic acids 6. Cryopreservation is the process of preserving biological materials (cells, tissues, or organs) by cooling them to extremely low temperatures using_______ Refrigeration Liquid nitrogen Ice Dry and chilled air 7. During seed aging the earliest detectable damage occurs in ________ Membranes DNA Lipids Proteins 8. Dormancy is an adaptation to _______ Increase respiration Enhance seed size Improve storage life Delay germination until favorable conditions 9. The embryonic shoot is known as ________ Radicle Cotyledon Epicotyl Plumule 10. 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 Loading … Question 1 of 10 Seed Science MCQs-19