Introduction to Olericulture MCQs (Quiz 3) Posted on May 6, 2026May 6, 2026Author agropublishers 0 Table of Contents Toggle Introduction to Olericulture MCQs (Quiz 3) [Explore all MCQs][Explore all MCQs] [Horticulture MCQs] [Introduction to Pomology MCQs] [Introductory Olericulture MCQs][Plant Physiology MCQs] [Plant Nutrition MCQs] [Crop Environment MCQs] [Botany MCQs ] [Soil Science MCQs] [Soil Physical Properties MCQs] [Soil Chemical Properties MCQs][Agronomy MCQs] [Cell Structure & Cell Organelles MCQs] [Gene Expression MCQs] Introduction to Olericulture MCQs (Quiz 3) [Explore all MCQs] 1. Ethylene is a plant hormone best known for its role in _______ Nitrogen fixation Fruit ripening and aging Root growth Water absorption 2. In vegetable production, mulching contributes to water management by _______ Reducing evaporation and conserving soil moisture Increasing weed growth Increasing evaporation Reducing soil fertility 3. Physiological maturity in vegetables is _______ Stage of maximum market value Beginning of senescence Completion of growth and development Start of ripening 4. A long-day vegetable plant requires __________ to induce flowering Short photoperiod No light Low temperature only Extended daylight 5. Which of the following vegetables is grown for its underground modified stem? Turnip Potato Carrot Radish 6. ________________ is a cool-season crop that grows best at moderate temperatures Pumpkin Okra Chili Cabbage 7. Salinity in irrigation water primarily affects plants by _______ Improving nutrient uptake Causing osmotic stress and ion toxicity Enhancing photosynthesis Increasing growth rate 8. Bolting in vegetable plants is associated with ___________ Thickening of fruit walls Yellowing and dropping of leaves Rapid root growth Premature flowering and seed formation 9. Soil organic matter primarily improves _________ Water holding capacity and nutrient retention Soil color only Plant height Pest resistance 10. Which of the following is written correctly as per binomial nomenclature rules? Solanum lycopersicum Solanaceae tomato Lycopersicum Solanum Tomato lycopersicum Loading … Question 1 of 10 __________________ [Explore all MCQs] [Horticulture MCQs] [Introduction to Pomology MCQs] [Introductory Olericulture MCQs][Plant Physiology MCQs] [Plant Nutrition MCQs] [Crop Environment MCQs] [Botany MCQs ] [Soil Science MCQs] [Soil Physical Properties MCQs] [Soil Chemical Properties MCQs][Agronomy MCQs] [Cell Structure & Cell Organelles MCQs] [Gene Expression MCQs]