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