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