state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Biology Plant Physiology Mineral Nutrition
Plants require various nutrients to grow, develop, and complete their life cycle. These nutrients are categorized into macro and micronutrients based on the quantities needed by plants. Which of the following options correctly pairs a macronutrient with its primary function and a micronutrient with its primary function in plants?
1
Macronutrient: Nitrogen - Key component of DNA; Micronutrient: Manganese - Enhances photosynthesis by playing a role in chlorophyll synthesis.
2
Macronutrient: Potassium - Helps in protein synthesis; Micronutrient: Iron - Involved in the regulation of the water balance within the plant.
3
Macronutrient: Phosphorus - Critical for energy transfer; Micronutrient: Copper - Important for disease resistance and sugar transport.
4
Macronutrient: Calcium - Strengthens cell walls; Micronutrient: Zinc - Vital for the reduction of nitrate ions in the leaves.
5
Question Not Attempted