MCQs Agronomy-50 Posted on February 2, 2025August 30, 2025Author agropublishers 0 1. 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 Urea Ammonium nitrate Calcium sulfate 2. Which tobacco variety is known for its high nicotine content? Virginia Oriental Burley Rustica 3. What is the purpose of curing tobacco leaves? Reduce nicotine content Develop flavor and aroma Remove moisture Remove moisture AND Develop flavor and aroma 4. What is the estimated number of human deaths associated with tobacco use worldwide each year? 10 million 8 million 1 million 5 million 5. What is the primary function of nicotine in the tobacco plant? To defend against herbivores To store energy To attract pollinators To enhance photosynthesis 6. The phenomenon responsible for the increased vigor and yield of hybrid seeds is known as ———- Genetic drift Heterosis Polyploidy Mutation breeding 7. Which of the following is the dominant cropping system of South Punjab, Pakistan Rice-maize Groundnut-maize Cotton-wheat Rice-wheat 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 Require less fertilizer and pesticides Are genetically modified organisms (GMOs) 9. Sprinkler irrigation system is more suitable for —— crops Shallow-rooted Deep-rooted Tap-rooted Perennial 10. ————- percentage of global tobacco production is used for cigarettes Around 70% More than 80% More than 95% Around 50% Loading …
