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 __________ Excess accumulation of LEA proteins Reduced abscisic acid (ABA) synthesis Over-proliferation of endosperm tissue Interrupted chlorophyll degradation 2. 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 3. Quiescence differs from dormancy because quiescence is ___________ Hormone-dependent Irreversible Environmentally imposed Genetically controlled 4. In broccoli the inflorescence is a _______ type Panicle Raceme Corymb Spike 5. 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 6. The tissue that nourishes the embryo during early development is _________ Pericarp Endosperm Seed coat Ovary wall 7. The main components of seed quality include ________ Seed shape, taste and aroma Physical purity, genetic purity, germination, and vigor Color, price, packaging Seed Size and shape only 8. The most common seed-associated pathogens are ___________ Nematodes Viruses Bacteria Fungi 9. The fusion of a sperm nucleus with the two polar nuclei in the central cell produces the __________ Diploid embryo nucleus Tetraploid endosperm nucleus Triploid primary endosperm nucleus Haploid central nucleus 10. Seed coat permeability primarily controls ________ Enzyme synthesis Respiration Imbibition rate Dormancy only Loading … Question 1 of 10 Seed Science MCQs-15