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