Introduction to Pomology MCQs (Quiz 18) Posted on July 25, 2026Author agropublishers 0 1. In commercial orchards, dwarfing rootstocks are primarily adopted to ______________ Facilitate high-density planting Increase juvenile period Promote vigorous vegetative growth Increase seed viability 2. ______________ of the following fruits is non-climacteric fruit Banana Mango Apple Grape 3. Ethephon promotes fruit thinning by releasing ___________________ Gibberellin Auxin Cytokinin Ethylene 4. A clone in pomology consists of plants that are ___________________________ Different genetically Produced from seeds Genetically identical through vegetative propagation Developed by cross-pollination 5. The radicle is the first part of a seed embryo to emerge during germination, and in dicot plants, it grows directly into the main root that persists throughout the plant’s life, a root known as the ______________________ Adventitious root Taproot Fibrous root Aerial root 6. What is a common use of ethephon in pineapple production? To prevent sunburn damage on the fruit To reduce fruit acidity at harvest To induce flowering and achieve more uniform fruiting To increase fruit size by enhancing cell division 7. Which statement best describes the main role of cytokinins in kiwifruit production? They are used to enhance fruit size by stimulating cell division They are used mainly to accelerate fruit ripening on the vine They are applied to promote fruit drop and reduce crop load They primarily act to induce flowering and break bud dormancy 8. The ripening of non-climacteric fruits depends primarily on ___________________________ Ripening while attached to the plant Postharvest ethylene production Artificial chilling Increased respiration after harvest 9. Removing excess fruits reduces the total number of _____________________ Roots Leaves Flower buds Sinks competing for assimilates 10. In fruit trees, developing fruits are considered _______________ Meristems Storage organs Sinks Sources Loading … Question 1 of 10