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