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 purpose of protected vegetable cultivation (e.g., greenhouses or polytunnels)? To modify the microclimate around crops To change the genetic makeup of vegetables To alter soil texture permanently To break seed dormancy 2. 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 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. Which statement about plant life cycles is botanically accurate? Ephemerals are a type of perennial that flowers only once in a lifetime Biennials and perennials both live for more than two years, but only perennials flower annually 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 5. Why is transplanting preferred over direct seeding for crops like tomato, brinjal (eggplant), and cabbage? To achieve better crop establishment and uniform plant stand To reduce the need for sunlight To eliminate the need for fertilizer To increase seed rate 6. Which of the following vegetables is an underground modified stem known as a rhizome? Turnip Ginger Sweet potato Carrot 7. Which of the following is a major disadvantage of C₃ plants compared to C₄ plants? Ability to fix nitrogen Higher rate of photosynthesis Lower water requirement Higher rate of photorespiration 8. Which of the following is NOT directly influenced by plant spacing? Fruit size per plant Air circulation and disease incidence Seed germination percentage Light interception by leaves 9. What is the primary objective of sequential cropping in vegetable farming? To grow only one crop per year To maximize land use over time by growing crops one after another To eliminate the need for irrigation To reduce fertilizer application 10. Which of the following is NOT botanically a true berry? Grape Blueberry Raspberry Cucumber 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]