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