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