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