MCQs Agronomy-50 Posted on February 2, 2025August 30, 2025Author agropublishers 0 1. What is the purpose of curing tobacco leaves? Reduce nicotine content Remove moisture Remove moisture AND Develop flavor and aroma Develop flavor and aroma 2. On 4 August 2020, a large amount of fertilizer—————— stored at the port in Beirut, Lebanon exploded, causing more than 200 casualties. Calcium sulfate Urea Ammonium nitrate None of these 3. Which of the following is the dominant cropping system of South Punjab, Pakistan Rice-wheat Rice-maize Groundnut-maize Cotton-wheat 4. Sprinkler irrigation system is more suitable for —— crops Deep-rooted Shallow-rooted Perennial Tap-rooted 5. What is the estimated number of human deaths associated with tobacco use worldwide each year? 5 million 1 million 10 million 8 million 6. Hybrid seeds often produce higher crop yields because they —- Have undergone natural selection for thousands of years Require less fertilizer and pesticides Result from crossbreeding parent plants with desirable traits Are genetically modified organisms (GMOs) 7. Which tobacco variety is known for its high nicotine content? Oriental Rustica Burley Virginia 8. ————- percentage of global tobacco production is used for cigarettes More than 95% More than 80% Around 70% Around 50% 9. The phenomenon responsible for the increased vigor and yield of hybrid seeds is known as ———- Mutation breeding Polyploidy Heterosis Genetic drift 10. What is the primary function of nicotine in the tobacco plant? To enhance photosynthesis To store energy To defend against herbivores To attract pollinators Loading …
