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