Seed Science MCQs-15 Posted on March 9, 2026March 12, 2026Author agropublishers 0 Table of Contents Toggle Seed Science MCQs-15 Multiple Choice Questions (MCQs)Seed Science MCQs-15 Seed Science MCQs-15 Multiple Choice Questions (MCQs) 1. Generally in crop plants, exposure to high temperature or drought during the final stages of seed maturation produces greenish mature seeds, primarily due to __________ Interrupted chlorophyll degradation Excess accumulation of LEA proteins Reduced abscisic acid (ABA) synthesis Over-proliferation of endosperm tissue 2. The tissue that nourishes the embryo during early development is _________ Pericarp Seed coat Endosperm Ovary wall 3. The primary role of synergid cells in the embryo sac is to________ Differentiate into megaspores Guide and facilitate pollen tube entry Produce the endosperm tissue Store reserve nutrients 4. The main components of seed quality include ________ Color, price, packaging Seed shape, taste and aroma Physical purity, genetic purity, germination, and vigor Seed Size and shape only 5. The fusion of a sperm nucleus with the two polar nuclei in the central cell produces the __________ Haploid central nucleus Triploid primary endosperm nucleus Diploid embryo nucleus Tetraploid endosperm nucleus 6. Discolored or shriveled seeds in a lot are often an indication of ________ Proper and careful storage Excellent seed vigor Possible disease, damage, or deterioration High genetic purity 7. Seed coat permeability primarily controls ________ Imbibition rate Dormancy only Respiration Enzyme synthesis 8. The most common seed-associated pathogens are ___________ Viruses Nematodes Fungi Bacteria 9. Quiescence differs from dormancy because quiescence is ___________ Genetically controlled Irreversible Hormone-dependent Environmentally imposed 10. In broccoli the inflorescence is a _______ type Corymb Spike Panicle Raceme Loading … Question 1 of 10 Seed Science MCQs-15