MCQs Agronomy-61 Posted on November 3, 2025Author agropublishers 0 1. What is the main role of silica in plant tissues? Store water and nutrients Aid in photosynthesis Provide flexibility Strengthen cell walls and deter herbivory 2. ________ is the world’s largest producer of castor seed China India Brazil Russia 3. The primary function of pollen is to ____________ Produce female gametes Protect the embryo Produce sperm cells Facilitate fertilization 4. ____________ is a commonly used practice in conservation agriculture to reduce soil disturbance Deep plowing Intensive weeding Flood irrigation No-till farming No-till farming o 5. Castor is commonly intercropped with _________ Sorghum Cotton Pulses Cereals 6. ______________ is the only known plant hormone that exists in a gaseous form Ethylene Auxin Abscisic acid Gibberellin 7. ________ is the edible part of onion, commonly used in cooking Root Bulb Stem Leaf 8. Which growth stage in Feeke’s Scale corresponds to the “heading” stage? Stage 5 Stage 7 Stage 10 Stage 3 9. Wheat (Triticum aestivum) belongs to ________ family Solanaceae Brassicaceae Poaceae Fabaceae 10. Precision agriculture is a farming practice that relies solely on traditional methods False True Loading … Question 1 of 10