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