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