Macronutrients Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The major macronutrient which is the component of enzymes and vitamins is

1. calcium phosphate
2. carbon dioxide
3. Sulphur
4. sea salt

MCQ 2: The macronutrients include all except

1. potassium
2. iron
3. magnesium
4. nitrogen

MCQ 3: The macronutrient which is a structural component of the cell wall and activates the enzymes is

1. boron dioxide
2. carbon monoxide
3. nitrogen dioxide
4. calcium

MCQ 4: The macronutrient which regulates the closing and opening of the stoma and reduces the loss of water from leaves is

1. potassium
2. methane
3. urea
4. nitrogen

MCQ 5: The macronutrient which is a component of coenzymes and nucleic acids for protein seed germination and protein formation is

1. sodium chloride
2. phosphorus
3. monosodium glutamate
4. ethane