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