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