Introduction to Olericulture MCQs (Quiz 10) Posted on May 6, 2026May 6, 2026Author agropublishers 0 Introduction to Olericulture MCQs (Quiz 10) [Explore all MCQs]__________________ 1. In a root vegetable crop, which of the following scenarios would cause the storage root to switch from being a sink to a source? During spring regrowth from overwintered roots (second year of biennial) During early vegetative growth Immediately after transplanting After seed germination 2. Which of the following is the most accurate characteristic of kitchen gardening? Vegetable cultivation under polyhouse for export Small-scale, diverse crop production for household consumption Fully automated hydroponic vegetable production High-volume monocropping for wholesale markets 3. Which of the following statements correctly compares photorespiration in C₃ and C₄ plants? C₄ plants have higher photorespiration due to Kranz anatomy Photorespiration does not occur in C₃ plants C₃ plants have higher photorespiration because they lack a CO₂-concentrating mechanism Both C₃ and C₄ plants undergo photorespiration at equal rates 4. Which pigment is primarily responsible for the red color of a ripe tomato? Xanthophyll Lycopene Anthocyanin Chlorophyll a 5. Which of the following microclimatic parameters is most directly increased by a closed polytunnel on a cold sunny day compared to open field conditions? Wind speed CO₂ concentration Soil salinity Air temperature 6. Which of the following vegetables/fruits is classified as climacteric? Strawberry Orange Tomato Grape 7. In source–sink dynamics of plants, which structure primarily functions as a source of carbohydrates? Storage root Germinating seed Developing fruit Mature leaf 8. In which of the following vegetable fruits does chloroplast-to-chromoplast conversion not occur during ripening? Tomato Cucumber Bell pepper Mango 9. A botany student labels a specimen of spinach. Which scientific name is correctly written according to binomial nomenclature rules? Oleracea Spinacia Spinacia oleracea spinacia Oleracea Amaranthaceae oleracea 10. Which statement correctly compares transplanting vs. direct seeding in terms of root system architecture in a fruiting vegetable like tomato? Direct seeding produces a taproot system; transplanting produces a fibrous root system Transplanting produces a deeper taproot than direct seeding Both methods produce identical root systems Direct seeding results in no lateral roots Loading … Question 1 of 10 [Explore all MCQs][Horticulture MCQs] [Introduction to Pomology MCQs] [Introduction to Olericulture MCQs] [Plant Physiology MCQs] [Plant Nutrition MCQs] [Crop and Environment MCQs] [Botany MCQs ][Soil Science MCQs] [Soil Physical Properties MCQs] [Soil Chemical Properties MCQs]