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