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