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