Introduction to Olericulture MCQs (Quiz 4) Posted on May 6, 2026May 6, 2026Author agropublishers 0 Table of Contents Toggle Introduction to Olericulture MCQs (Quiz 4) [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 4) [Explore all MCQs] 1. What is the primary objective of sequential cropping in vegetable farming? To eliminate the need for irrigation To maximize land use over time by growing crops one after another To reduce fertilizer application To grow only one crop per year 2. Which of the following is a major disadvantage of C₃ plants compared to C₄ plants? Lower water requirement Ability to fix nitrogen Higher rate of photosynthesis Higher rate of photorespiration 3. A student preparing a herbarium label writes the scientific name of onion. Which one is correct? Liliaceae cepa Allium cepa allium Cepa Cepa Allium 4. In root vegetables like carrots and beets, where do most of the plant’s sugars and starches get stored (sink)? Stem Flowers Storage root Leaves 5. What is the primary purpose of protected vegetable cultivation (e.g., greenhouses or polytunnels)? To alter soil texture permanently To modify the microclimate around crops To break seed dormancy To change the genetic makeup of vegetables 6. Why is transplanting preferred over direct seeding for crops like tomato, brinjal (eggplant), and cabbage? To eliminate the need for fertilizer To increase seed rate To reduce the need for sunlight To achieve better crop establishment and uniform plant stand 7. Which statement about plant life cycles is botanically accurate? Biennials and perennials both live for more than two years, but only perennials flower annually Ephemerals are a type of perennial that flowers only once in a lifetime A plant that flowers, sets seed, and dies within a single year is an annual, regardless of whether it spans two calendar years All perennials are woody plants, and all annuals are herbaceous 8. Which of the following is NOT botanically a true berry? Blueberry Raspberry Cucumber Grape 9. Which of the following is NOT directly influenced by plant spacing? Light interception by leaves Seed germination percentage Fruit size per plant Air circulation and disease incidence 10. Which of the following vegetables is an underground modified stem known as a rhizome? Carrot Turnip Sweet potato Ginger 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]