Introduction to Pomology MCQs (Quiz 6) Posted on May 26, 2026Author agropublishers 0 1. _________________ is the most commonly used postharvest parameter as an indirect indicator of fruit sweetness Titratable acidity Total Soluble Solids Relative humidity Fruit firmness 2. Which fruit group contributes most significantly to the global beverage and juice-processing industries? Aggregate fruits Citrus fruits and grapes Temperate drupes Tropical nuts 3. What is the most immediate effect of reducing plant spacing (planting more densely) in an orchard? Increased light interception per plant No change in yield Increased competition among plants for light, water, and nutrients Decreased competition for light 4. Compared to open-field cultivation, growing of fruit tree nursery in tunnels typically reduces which environmental factor most significantly, thereby limiting photosynthesis? Light intensity and quality Soil moisture Wind speed Carbon dioxide concentration 5. Which of the following management practices is most effective at reducing nitrogen leaching loss in sandy soils? Use only phosphorus fertilizers Apply all nitrogen at planting as nitrate Irrigate heavily immediately after fertilizing Split application of nitrogen matching crop demand 6. Ethylene is primarily associated with ______________ Water absorption Nitrogen fixation Fruit ripening and senescence Root growth 7. Which fruit crop is globally regarded as a model system for studying climacteric fruit ripening and ethylene-mediated physiological changes? Strawberry Tomato Citrus Grape 8. Which of the following is a major disadvantage of transplanting seedlings compared to direct seeding? Poorer crop uniformity Increased risk of root damage and transplant shock Longer time to harvest Higher seed requirement 9. A horticulturist aiming to reduce post-harvest water loss during storage should primarily ____________________ Adjust light quality Minimize transpiration gradients between fruit tissues and surrounding air Induce hormone mediated seed germination Spay nutrient rich liquid 10. Why is nitrogen (as nitrate) more mobile in soil than ammonium (NH₄⁺)? Nitrate is negatively charged and repelled by soil colloids; ammonium is positively charged and attracted Nitrate is larger in molecular size Nitrate is a gas; ammonium is a solid Ammonium evaporates quickly Loading … Question 1 of 10
