MCQs Agronomy [6] Posted on April 7, 2023Author admin 0 Please enter your email: 1. _________ plant has monocotyledonous seed Triticum aestivum Calendula officinalis Cicer arietinum Pisum sativum 2. ____________fibre crop is also called golden fibre Linum usitatissimum Cannabis sativa Gossypium hirsutum Corchorus olitorius 3. Seed dormancy may be due to____________ Permeable seed coat Thin seed coat Hard impermeable seed coat Excess of reserve food 4. _______ is not a fiber crop Cannabis sativa Arachis hypogaea Corchorus olitorius Linum usitatissimum 5. _______ is a legume crop Corchorus olitorius Cannabis sativa Arachis hypogaea Linum usitatissimum 6. Insects feeding on plants are called___________ insects Mycophagous Zoophagous Entomophagous Phytophagous 7. ___________is a mobile nutrient in soil None Potassium Nitrogen Phosphorus 8. Common cause of seed and bud dormancy is presence of___________ Ethylene Ethylene & Cytokinins Abscisic acid Cytokinins 9. ___________ is the major role of genetics in plant taxonomy To analyze the evolution and historical development of plants To determine the physical characteristics of crops and distinguish them from other plants To identify the genetic relationships between plants To understand the cultural and economic significance of crops 10. __________ is the CO2 fixation mechanism in maize plant C3 Pathway C4 Pathway CAM Pathway Modified C4 pathway 11. Plough is the main tool for_________ Both Tillage operations Irrigation operations None 12. ___________ is the family of the bamboo plant Solanaceae Poaceae Fabaceae Malvaceae 13. Which of the following is NOT a common symptom of plant disease? Lesions Yellowing of leaves Increased growth Wilting 14. International Maize and Wheat Improvement Center (CIMMYT) is located in _____ Philippines China Linum usitatissimum Mexico 15. ______ is a climatic factor that directly influences all plant growth processes None Air Temperature Fog 16. __________ is the scientific name for the sunflower Calendula officinalis Chrysanthemum coronarium Tagetes erecta Helianthus annuus 17. Average weight of common tractor, used in agriculture, can be around __________ 3400 kg 1000 kg 1500 kg 2400 kg 18. What is a pathogen? An organism that causes disease A pesticide used to control disease A plant disease A type of plant hormone 19. GMOs is abbreviation of ___________ Genetically modified organisms Calendula officinalis Global management organization Genetically modified organs 20. Scientific name of jute is_______ Cannabis sativa Arachis hypogaea Brassica napus Corchorus olitorius Loading … Question 1 of 20
