MCQs Agronomy-49 Posted on February 2, 2025August 30, 2025Author agropublishers 0 1. ————- is the largest producer of raw tobacco in the world Brazil Malawi India China 2. Which of the following practices poses a threat to agricultural biodiversity? Agroforestry Intercropping Monoculture systems Crop rotation 3. ———————- is the scientific name of popcorn maize Zea mays mexicana Zea mays mays None of these Zea mays everta 4. The most critical growth stages for irrigation in maize ————– Tasseling and silking Grain filling Knee-high None of these 5. Germination of Sugarcane Bud is highly temperature dependent, under 27°C and ideal conditions, primary shoots emerge within ————— after planting 1 to 2 weeks 2 to 3 weeks 4 to 5 weeks more than 5 weeks 6. Rice inflorescence is called ————- Pod Head Panicle Arrow 7. ————– is the enzyme that breaks down starch into sugars Amylose Amylase Rubisco ATP synthase 8. The primary grain used for making beer and whisky Wheat Barley Maize Rice 9. Which of the following is the dominant cropping system of Central Punjab, Pakistan Cotton-wheat Rice-maize Groundnut-maize Rice-wheat 10. ————- of the following is a key enzyme in the Calvin cycle Rubisco Amylase Nitrogenase ATP synthase Loading …