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