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