Postharvest Technology MCQs (Set 5) Posted on August 17, 2026Author agropublishers 0 1. The discovery of the climacteric phenomenon and studies of respiration established the foundation of modern _____________________ Floriculture Food chemistry Postharvest physiology Olericulture 2. Postharvest physiological disorders differ from pathological disorders because physiological disorders are primarily __________________ Non-infectious disorders Caused exclusively by fungi Always caused by insects Caused exclusively by bacteria 3. Which postharvest disorder of apples received considerable research attention because of its relationship with storage conditions? Blossom-end rot Tipburn Bacterial wilt Superficial scald 4. Reducing postharvest losses can contribute directly to food security by ________________ Increasing the cultivated area Increasing the amount of food available for consumption Increasing fertilizer consumption Reducing crop diversity 5. Postharvest chilling injury is particularly important because it can ____________________ in chilling-sensitive horticultural priducts Accelerate photosynthesis Improve fruit quality Cause physiological damage Increase mineral uptake 6. Which strategy can help reduce postharvest losses through genetic improvement? Selecting genotypes with longer postharvest life Selecting cultivars with high respiration rates Selecting genotypes with poor keeping quality Selecting cultivars with rapid senescence 7. Which postharvest effect of gibberellin treatment is most desirable for extending the storage life of horticultural crops? Accelerated ripening Delayed ripening and senescence Increased respiration Enhanced tissue softening 8. Which factor is fundamental to maintaining the quality of harvested horticultural commodities? Excessive temperature fluctuations Mechanical injury Delayed handling Proper postharvest handling 9. Which postharvest stress can be alleviated by gibberellin treatment in cold-sensitive horticultural crops? Nutrient deficiency Heat stress Drought stress Chilling injury 10. Which nutritional component can have its postharvest decline delayed by gibberellin treatment? Vitamin C Cellulose Protein and nitrogen Starch Loading … Question 1 of 10