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