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