Introduction to Pomology MCQs (Quiz 16) Posted on July 24, 2026Author agropublishers 0 1. Plant growth regulator _________________ is most often used to promote uniform flowering and increase fruit set in mango by breaking bud dormancy Paclobutrazol Ethephon Naphthalene acetic acid Cytokinins 2. Naphthalene acetic acid (NAA) delays apple fruit drop primarily by ______________________ Preventing abscission layer formation Increasing ethylene production Breaking dormancy Increasing respiration 3. How do triploid seedless bananas typically propagate in agriculture despite their meiotic sterility? They rely on wind-dispersed pollen to generate new triploid offspring each generation They are propagated vegetatively using suckers, rhizomes, or tissue culture They undergo apomixis, where seeds form clonally without fertilization in every fruit They produce abundant viable seeds that farmers plant every season 4. Anthesis is the stage at which ______________ Fruit matures Pollination is completed Seed germinates The flower opens 5. Excessive fruit load generally produces fruits that are _________________ Resistant to diseases Larger and sweeter Smaller due to competition Seedless 6. Abscisic acid (ABA) is primarily associated with ____________________________ Stomatal closure and drought response Fruit thinning Cell division Root formation 7. Carbohydrates produced in leaves are mainly transported in the form of __________________ during fruit development Sucrose Glucose Fructose Starch 8. Windbreaks are established in orchards primarily to ____________ Improve rootstock compatibility Increase pollination Reduce wind damage and moisture loss Increase sunlight interception 9. Which propagation method maintains varietal purity? Seed propagation Open pollination Mutation breeding Vegetative propagation 10. A cultivar is best described as _______________________ A hybrid rootstock A naturally occurring wild species A cultivated variety selected for desirable traits A genetically modified plant Loading … Question 1 of 10
