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 _______ Water absorption Root growth Nitrogen fixation Fruit ripening and aging 2. Physiological maturity in vegetables is _______ Completion of growth and development Start of ripening Beginning of senescence Stage of maximum market value 3. In vegetable production, mulching contributes to water management by _______ Reducing soil fertility Reducing evaporation and conserving soil moisture Increasing weed growth Increasing evaporation 4. ________________ is a cool-season crop that grows best at moderate temperatures Chili Pumpkin Okra Cabbage 5. Bolting in vegetable plants is associated with ___________ Rapid root growth Yellowing and dropping of leaves Premature flowering and seed formation Thickening of fruit walls 6. Which of the following vegetables is grown for its underground modified stem? Potato Carrot Radish Turnip 7. Soil organic matter primarily improves _________ Plant height Pest resistance Soil color only Water holding capacity and nutrient retention 8. Salinity in irrigation water primarily affects plants by _______ Causing osmotic stress and ion toxicity Improving nutrient uptake Increasing growth rate Enhancing photosynthesis 9. A long-day vegetable plant requires __________ to induce flowering Short photoperiod No light Low temperature only Extended daylight 10. Which of the following is written correctly as per binomial nomenclature rules? Solanum lycopersicum Tomato lycopersicum Solanaceae tomato Lycopersicum Solanum 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]