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