MCQs Agronomy [8] Posted on April 12, 2023April 12, 2023Author admin 0 Multiple Choice Questions (MCQs) for Test Preparation Agronomy – Test 8 Please enter your email: 1. ____________ of the followings is the main purpose of adding sulfur to soil To decrease the pH To improve soil structure To increase the pH To provide nutrients 2. The primary function of____________hormone is to regulate the fruit ripening Gibberellin Ethylene Auxin Cytokinin 3. What was the Green Revolution? A political movement An environmental conservation campaign A social reform movement A technological innovation in agriculture 4. International Maize and Wheat Improvement Center (CIMMYT) is located in _____ Philippines China Mexico India 5. _____________of the following is a common adaptation of plants that grow in shade Large leaves Small leaves Thick cuticle Dark green leaves 6. In plants _______________ is the gross production minus respiration Primary productivity Net productivity Secondary productivity Net primary productivity 7. _____________is an essential micronutrient for plants Iron Potassium Oxygen Nitrogen 8. _____________of the following is NOT a factor that affects plant growth and distribution Temperature Light Intensity Air Pressure Soil Type 9. _______ is not an oilseed crop Brassica napus Arachis hypogaea Helianthus annuus Corchorus olitorius 10. Evapotranspiration is primarily driven by ——— energy None Anti-gravitational Wind energy Solar energy 11. Crop rotations are designed to maintain__________ Soil erosion Crop protection Water conservation Soil health 12. Select correct sequence of classification Kingdom → Class → Phylum → Order → Family Kingdom → Phylum → Class → Order → Family Kingdom → Order → Class → Phylum → Family Kingdom → Phylum → Order → Class → Family 13. The primary function of____________hormone is stem elongation by promoting cell growth Auxin Cytokinin Gibberellin Ethylene 14. The percentage of oxygen in the atmosphere is approximately__________%. 78 20.9 0.9 0.04 15. _____________ are major cotton producers India, Pakistan, Australia China, India, USA China, Pakistan, Australia China, Brazil, Pakistan 16. _____________is the weight of soil per unit volume Porosity Bulk density Water holding capacity Nutrient holding capacity 17. Sunflower seed is called_______________ Grain Achene Siliqua Caryopsis 18. ___________________ is the ability of weeds to actively eliminate competition by producing toxins that enter the soil and prevent the normal growth of other plants Pathology Competition Allopathy Allelopathy 19. ________ describes the attempt of two or more organisms to utilize the same resource Social behavior Taxis Competition Mortality 20. Hypogeal stand establishment occurs in ______ plants Cotton Wheat Pea Soybean Loading … Question 1 of 20