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