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