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