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