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