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